Roll Skia from 9c6cc020751d to 64f4f1922946 (3 revisions) (flutter/engine#56016)

https://skia.googlesource.com/skia.git/+log/9c6cc020751d..64f4f1922946

2024-10-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Skia Infra from 6c65601e5d77 to fc1fbc4105b0 (5 revisions)
2024-10-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll SwiftShader from 0afe6a306dd2 to 145112eea713 (1 revision)
2024-10-22 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Dawn from 6a645bf6ebd6 to 8e9623dbadf3 (19 revisions)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC brianosman@google.com,jonahwilliams@google.com,nicolettep@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': '9c6cc020751da41a0612d766d40d1766845798dc',
+  'skia_revision': '64f4f192294614b6cb90138d4588485aa8e71ba8',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: d28abb64af52319ffd642950402427b8
+Signature: 620916fdf3016dea71aec2f3eb696474
 
 ====================================================================================================
 LIBRARY: etc1