diff --git a/dev/benchmarks/complex_layout/android/app/build.gradle b/dev/benchmarks/complex_layout/android/app/build.gradle
index a64c0c4458..4a0488ee54 100644
--- a/dev/benchmarks/complex_layout/android/app/build.gradle
+++ b/dev/benchmarks/complex_layout/android/app/build.gradle
@@ -52,6 +52,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/benchmarks/complex_layout/android/build.gradle b/dev/benchmarks/complex_layout/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/benchmarks/complex_layout/android/build.gradle
+++ b/dev/benchmarks/complex_layout/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/benchmarks/complex_layout/android/gradle/wrapper/gradle-wrapper.properties b/dev/benchmarks/complex_layout/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/dev/benchmarks/complex_layout/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/benchmarks/complex_layout/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/dev/benchmarks/microbenchmarks/android/app/build.gradle b/dev/benchmarks/microbenchmarks/android/app/build.gradle
index 97f9e5019e..28942f6f77 100644
--- a/dev/benchmarks/microbenchmarks/android/app/build.gradle
+++ b/dev/benchmarks/microbenchmarks/android/app/build.gradle
@@ -44,6 +44,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/benchmarks/microbenchmarks/android/build.gradle b/dev/benchmarks/microbenchmarks/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/benchmarks/microbenchmarks/android/build.gradle
+++ b/dev/benchmarks/microbenchmarks/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/benchmarks/microbenchmarks/android/gradle/wrapper/gradle-wrapper.properties b/dev/benchmarks/microbenchmarks/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/dev/benchmarks/microbenchmarks/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/benchmarks/microbenchmarks/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/dev/integration_tests/channels/android/app/build.gradle b/dev/integration_tests/channels/android/app/build.gradle
index 3228d77622..bfbfbac0a5 100644
--- a/dev/integration_tests/channels/android/app/build.gradle
+++ b/dev/integration_tests/channels/android/app/build.gradle
@@ -52,6 +52,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/integration_tests/channels/android/build.gradle b/dev/integration_tests/channels/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/integration_tests/channels/android/build.gradle
+++ b/dev/integration_tests/channels/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/integration_tests/channels/android/gradle/wrapper/gradle-wrapper.properties b/dev/integration_tests/channels/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100755
--- a/dev/integration_tests/channels/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/integration_tests/channels/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/dev/integration_tests/external_ui/android/app/build.gradle b/dev/integration_tests/external_ui/android/app/build.gradle
index 7e25815193..53acc93e15 100644
--- a/dev/integration_tests/external_ui/android/app/build.gradle
+++ b/dev/integration_tests/external_ui/android/app/build.gradle
@@ -43,6 +43,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/integration_tests/external_ui/android/build.gradle b/dev/integration_tests/external_ui/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/integration_tests/external_ui/android/build.gradle
+++ b/dev/integration_tests/external_ui/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/integration_tests/external_ui/android/gradle/wrapper/gradle-wrapper.properties b/dev/integration_tests/external_ui/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/dev/integration_tests/external_ui/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/integration_tests/external_ui/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/dev/integration_tests/flavors/android/app/build.gradle b/dev/integration_tests/flavors/android/app/build.gradle
index ef7b74ef32..59496b12fd 100644
--- a/dev/integration_tests/flavors/android/app/build.gradle
+++ b/dev/integration_tests/flavors/android/app/build.gradle
@@ -58,6 +58,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/integration_tests/flavors/android/build.gradle b/dev/integration_tests/flavors/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/integration_tests/flavors/android/build.gradle
+++ b/dev/integration_tests/flavors/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/integration_tests/flavors/android/gradle/wrapper/gradle-wrapper.properties b/dev/integration_tests/flavors/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/dev/integration_tests/flavors/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/integration_tests/flavors/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/dev/integration_tests/platform_interaction/android/app/build.gradle b/dev/integration_tests/platform_interaction/android/app/build.gradle
index 3228d77622..bfbfbac0a5 100644
--- a/dev/integration_tests/platform_interaction/android/app/build.gradle
+++ b/dev/integration_tests/platform_interaction/android/app/build.gradle
@@ -52,6 +52,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/integration_tests/platform_interaction/android/build.gradle b/dev/integration_tests/platform_interaction/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/integration_tests/platform_interaction/android/build.gradle
+++ b/dev/integration_tests/platform_interaction/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/integration_tests/platform_interaction/android/gradle/wrapper/gradle-wrapper.properties b/dev/integration_tests/platform_interaction/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100755
--- a/dev/integration_tests/platform_interaction/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/integration_tests/platform_interaction/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/dev/integration_tests/ui/android/app/build.gradle b/dev/integration_tests/ui/android/app/build.gradle
index b9f6dc1156..63e66f09b6 100644
--- a/dev/integration_tests/ui/android/app/build.gradle
+++ b/dev/integration_tests/ui/android/app/build.gradle
@@ -44,6 +44,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/integration_tests/ui/android/build.gradle b/dev/integration_tests/ui/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/integration_tests/ui/android/build.gradle
+++ b/dev/integration_tests/ui/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/integration_tests/ui/android/gradle/wrapper/gradle-wrapper.properties b/dev/integration_tests/ui/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/dev/integration_tests/ui/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/integration_tests/ui/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/dev/manual_tests/android/app/build.gradle b/dev/manual_tests/android/app/build.gradle
index eebfe5b1dd..14c37e3f90 100644
--- a/dev/manual_tests/android/app/build.gradle
+++ b/dev/manual_tests/android/app/build.gradle
@@ -45,6 +45,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/dev/manual_tests/android/build.gradle b/dev/manual_tests/android/build.gradle
index d4225c7905..447688755c 100644
--- a/dev/manual_tests/android/build.gradle
+++ b/dev/manual_tests/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/dev/manual_tests/android/gradle/wrapper/gradle-wrapper.properties b/dev/manual_tests/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100755
--- a/dev/manual_tests/android/gradle/wrapper/gradle-wrapper.properties
+++ b/dev/manual_tests/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/catalog/android/app/build.gradle b/examples/catalog/android/app/build.gradle
index 44fa2f8006..78b5d0a538 100644
--- a/examples/catalog/android/app/build.gradle
+++ b/examples/catalog/android/app/build.gradle
@@ -45,6 +45,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/examples/catalog/android/build.gradle b/examples/catalog/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/catalog/android/build.gradle
+++ b/examples/catalog/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/catalog/android/gradle/wrapper/gradle-wrapper.properties b/examples/catalog/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/examples/catalog/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/catalog/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/flutter_gallery/android/app/build.gradle b/examples/flutter_gallery/android/app/build.gradle
index 0978fcdb96..d5c8744c61 100644
--- a/examples/flutter_gallery/android/app/build.gradle
+++ b/examples/flutter_gallery/android/app/build.gradle
@@ -64,6 +64,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/examples/flutter_gallery/android/build.gradle b/examples/flutter_gallery/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/flutter_gallery/android/build.gradle
+++ b/examples/flutter_gallery/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/flutter_gallery/android/gradle/wrapper/gradle-wrapper.properties b/examples/flutter_gallery/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/examples/flutter_gallery/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/flutter_gallery/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/flutter_view/android/app/build.gradle b/examples/flutter_view/android/app/build.gradle
index d7502c446f..6bb507b840 100644
--- a/examples/flutter_view/android/app/build.gradle
+++ b/examples/flutter_view/android/app/build.gradle
@@ -45,8 +45,8 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
     implementation 'com.android.support:appcompat-v7:26.1.0'
     implementation 'com.android.support:design:26.1.0'
 }
diff --git a/examples/flutter_view/android/build.gradle b/examples/flutter_view/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/flutter_view/android/build.gradle
+++ b/examples/flutter_view/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/flutter_view/android/gradle/wrapper/gradle-wrapper.properties b/examples/flutter_view/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/examples/flutter_view/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/flutter_view/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/hello_world/android/app/build.gradle b/examples/hello_world/android/app/build.gradle
index d5a281ca96..d2b17312c2 100644
--- a/examples/hello_world/android/app/build.gradle
+++ b/examples/hello_world/android/app/build.gradle
@@ -45,6 +45,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/examples/hello_world/android/build.gradle b/examples/hello_world/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/hello_world/android/build.gradle
+++ b/examples/hello_world/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/hello_world/android/gradle/wrapper/gradle-wrapper.properties b/examples/hello_world/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/examples/hello_world/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/hello_world/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/layers/android/app/build.gradle b/examples/layers/android/app/build.gradle
index b2f7acbcd5..33a6483dbc 100644
--- a/examples/layers/android/app/build.gradle
+++ b/examples/layers/android/app/build.gradle
@@ -45,6 +45,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/examples/layers/android/build.gradle b/examples/layers/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/layers/android/build.gradle
+++ b/examples/layers/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/layers/android/gradle/wrapper/gradle-wrapper.properties b/examples/layers/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/examples/layers/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/layers/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/platform_channel/android/app/build.gradle b/examples/platform_channel/android/app/build.gradle
index 133cbe79d9..2613f36d80 100644
--- a/examples/platform_channel/android/app/build.gradle
+++ b/examples/platform_channel/android/app/build.gradle
@@ -45,6 +45,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/examples/platform_channel/android/build.gradle b/examples/platform_channel/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/platform_channel/android/build.gradle
+++ b/examples/platform_channel/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/platform_channel/android/gradle/wrapper/gradle-wrapper.properties b/examples/platform_channel/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/examples/platform_channel/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/platform_channel/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/platform_view/android/app/build.gradle b/examples/platform_view/android/app/build.gradle
index 250e7340e2..562ff4ace2 100644
--- a/examples/platform_view/android/app/build.gradle
+++ b/examples/platform_view/android/app/build.gradle
@@ -45,8 +45,8 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
     implementation 'com.android.support:appcompat-v7:26.1.0'
     implementation 'com.android.support:design:26.1.0'
 }
diff --git a/examples/platform_view/android/build.gradle b/examples/platform_view/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/platform_view/android/build.gradle
+++ b/examples/platform_view/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/platform_view/android/gradle/wrapper/gradle-wrapper.properties b/examples/platform_view/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/examples/platform_view/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/platform_view/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/examples/stocks/android/app/build.gradle b/examples/stocks/android/app/build.gradle
index 594f2c5a99..93ef0831f2 100644
--- a/examples/stocks/android/app/build.gradle
+++ b/examples/stocks/android/app/build.gradle
@@ -45,6 +45,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/examples/stocks/android/build.gradle b/examples/stocks/android/build.gradle
index d4225c7905..447688755c 100644
--- a/examples/stocks/android/build.gradle
+++ b/examples/stocks/android/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/examples/stocks/android/gradle/wrapper/gradle-wrapper.properties b/examples/stocks/android/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100755
--- a/examples/stocks/android/gradle/wrapper/gradle-wrapper.properties
+++ b/examples/stocks/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/packages/flutter_tools/gradle/flutter.gradle b/packages/flutter_tools/gradle/flutter.gradle
index 9e006a39be..1fa91b90aa 100644
--- a/packages/flutter_tools/gradle/flutter.gradle
+++ b/packages/flutter_tools/gradle/flutter.gradle
@@ -24,7 +24,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/packages/flutter_tools/templates/create/android-java.tmpl/app/build.gradle.tmpl b/packages/flutter_tools/templates/create/android-java.tmpl/app/build.gradle.tmpl
index 61e7815eb0..868a8e2df6 100644
--- a/packages/flutter_tools/templates/create/android-java.tmpl/app/build.gradle.tmpl
+++ b/packages/flutter_tools/templates/create/android-java.tmpl/app/build.gradle.tmpl
@@ -46,6 +46,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/packages/flutter_tools/templates/create/android-java.tmpl/build.gradle b/packages/flutter_tools/templates/create/android-java.tmpl/build.gradle
index d4225c7905..447688755c 100644
--- a/packages/flutter_tools/templates/create/android-java.tmpl/build.gradle
+++ b/packages/flutter_tools/templates/create/android-java.tmpl/build.gradle
@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/packages/flutter_tools/templates/create/android-kotlin.tmpl/app/build.gradle.tmpl b/packages/flutter_tools/templates/create/android-kotlin.tmpl/app/build.gradle.tmpl
index eb3d42c058..ef35e7e048 100644
--- a/packages/flutter_tools/templates/create/android-kotlin.tmpl/app/build.gradle.tmpl
+++ b/packages/flutter_tools/templates/create/android-kotlin.tmpl/app/build.gradle.tmpl
@@ -52,6 +52,6 @@ flutter {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
diff --git a/packages/flutter_tools/templates/create/android-kotlin.tmpl/build.gradle b/packages/flutter_tools/templates/create/android-kotlin.tmpl/build.gradle
index 830798d981..ed41a28660 100644
--- a/packages/flutter_tools/templates/create/android-kotlin.tmpl/build.gradle
+++ b/packages/flutter_tools/templates/create/android-kotlin.tmpl/build.gradle
@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.2.30'
+    ext.kotlin_version = '1.1.51'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
diff --git a/packages/flutter_tools/templates/create/android.tmpl/gradle/wrapper/gradle-wrapper.properties b/packages/flutter_tools/templates/create/android.tmpl/gradle/wrapper/gradle-wrapper.properties
index 9372d0f3f4..aa901e1e0d 100644
--- a/packages/flutter_tools/templates/create/android.tmpl/gradle/wrapper/gradle-wrapper.properties
+++ b/packages/flutter_tools/templates/create/android.tmpl/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/packages/flutter_tools/templates/plugin/android-java.tmpl/build.gradle.tmpl b/packages/flutter_tools/templates/plugin/android-java.tmpl/build.gradle.tmpl
index a527f569be..f79197aeaa 100644
--- a/packages/flutter_tools/templates/plugin/android-java.tmpl/build.gradle.tmpl
+++ b/packages/flutter_tools/templates/plugin/android-java.tmpl/build.gradle.tmpl
@@ -8,7 +8,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
diff --git a/packages/flutter_tools/templates/plugin/android-kotlin.tmpl/build.gradle.tmpl b/packages/flutter_tools/templates/plugin/android-kotlin.tmpl/build.gradle.tmpl
index b20274c57b..c2f392ab9d 100644
--- a/packages/flutter_tools/templates/plugin/android-kotlin.tmpl/build.gradle.tmpl
+++ b/packages/flutter_tools/templates/plugin/android-kotlin.tmpl/build.gradle.tmpl
@@ -2,14 +2,14 @@ group '{{androidIdentifier}}'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.2.30'
+    ext.kotlin_version = '1.1.51'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.2'
+        classpath 'com.android.tools.build:gradle:3.0.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }