increase sharding on Windows tool_integration_tests (#152582)

Resolves https://github.com/flutter/flutter/issues/152211

Will remove `bringup` status after this merges.

.ci.yaml

@@ -5692,9 +5692,10 @@ targets:
       - bin/**
       - .ci.yaml
 
-  - name: Windows tool_integration_tests_1_6
+  - name: Windows tool_integration_tests_1_7
     recipe: flutter/flutter_drone
     timeout: 60
+    bringup: true
     properties:
       add_recipes_cq: "true"
       dependencies: >-
@@ -5706,7 +5707,7 @@ targets:
           {"dependency": "vs_build", "version": "version:vs2019"}
         ]
       shard: tool_integration_tests
-      subshard: "1_6"
+      subshard: "1_7"
       tags: >
         ["framework", "hostonly", "shard", "windows"]
       test_timeout_secs: "2700"
@@ -5716,9 +5717,10 @@ targets:
       - bin/**
       - .ci.yaml
 
-  - name: Windows tool_integration_tests_2_6
+  - name: Windows tool_integration_tests_2_7
     recipe: flutter/flutter_drone
     timeout: 60
+    bringup: true
     properties:
       add_recipes_cq: "true"
       dependencies: >-
@@ -5740,7 +5742,8 @@ targets:
       - bin/**
       - .ci.yaml
 
-  - name: Windows tool_integration_tests_3_6
+  - name: Windows tool_integration_tests_3_7
+    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -5754,7 +5757,7 @@ targets:
           {"dependency": "vs_build", "version": "version:vs2019"}
         ]
       shard: tool_integration_tests
-      subshard: "3_6"
+      subshard: "3_7"
       tags: >
         ["framework", "hostonly", "shard", "windows"]
       test_timeout_secs: "2700"
@@ -5764,7 +5767,8 @@ targets:
       - bin/**
       - .ci.yaml
 
-  - name: Windows tool_integration_tests_4_6
+  - name: Windows tool_integration_tests_4_7
+    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -5778,7 +5782,7 @@ targets:
           {"dependency": "vs_build", "version": "version:vs2019"}
         ]
       shard: tool_integration_tests
-      subshard: "4_6"
+      subshard: "4_7"
       tags: >
         ["framework", "hostonly", "shard", "windows"]
       test_timeout_secs: "2700"
@@ -5788,7 +5792,8 @@ targets:
       - bin/**
       - .ci.yaml
 
-  - name: Windows tool_integration_tests_5_6
+  - name: Windows tool_integration_tests_5_7
+    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -5802,7 +5807,7 @@ targets:
           {"dependency": "vs_build", "version": "version:vs2019"}
         ]
       shard: tool_integration_tests
-      subshard: "5_6"
+      subshard: "5_7"
       tags: >
         ["framework", "hostonly", "shard", "windows"]
       test_timeout_secs: "2700"
@@ -5812,7 +5817,8 @@ targets:
       - bin/**
       - .ci.yaml
 
-  - name: Windows tool_integration_tests_6_6
+  - name: Windows tool_integration_tests_6_7
+    bringup: true
     recipe: flutter/flutter_drone
     timeout: 60
     properties:
@@ -5826,7 +5832,32 @@ targets:
           {"dependency": "vs_build", "version": "version:vs2019"}
         ]
       shard: tool_integration_tests
-      subshard: "6_6"
+      subshard: "6_7"
+      tags: >
+        ["framework", "hostonly", "shard", "windows"]
+      test_timeout_secs: "2700"
+    runIf:
+      - dev/**
+      - packages/flutter_tools/**
+      - bin/**
+      - .ci.yaml
+
+  - name: Windows tool_integration_tests_7_7
+    bringup: true
+    recipe: flutter/flutter_drone
+    timeout: 60
+    properties:
+      add_recipes_cq: "true"
+      dependencies: >-
+        [
+          {"dependency": "android_sdk", "version": "version:34v3"},
+          {"dependency": "chrome_and_driver", "version": "version:125.0.6422.141"},
+          {"dependency": "open_jdk", "version": "version:17"},
+          {"dependency": "goldctl", "version": "git_revision:720a542f6fe4f92922c3b8f0fdcc4d2ac6bb83cd"},
+          {"dependency": "vs_build", "version": "version:vs2019"}
+        ]
+      shard: tool_integration_tests
+      subshard: "7_7"
       tags: >
         ["framework", "hostonly", "shard", "windows"]
       test_timeout_secs: "2700"