Update assets_for_android_views git dependency pins (#116639)

* Unpin assets_for_android_views git dependency

It needs to pick-up changes made to the pubspec.yaml to be Dart 3.0 compatible and dev/integration_tests/android_views/pubspec.yaml already uses the same dependency unpinned.

* Also unpin hybrid_android_views

* Pin android_views to the new flutter/goldens ref

* Pin hybrid_android_views to newer flutter/goldens

dev/integration_tests/android_views/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
   assets_for_android_views:
     git:
       url: https://github.com/flutter/goldens.git
-      ref: c47f1308188dca65b3899228cac37f252ea8b411
+      ref: 64d0f6051b9b7b9933d3d16194170a38f544634a
       path: dev/integration_tests/assets_for_android_views
 
   archive: 3.3.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"

dev/integration_tests/hybrid_android_views/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
   assets_for_android_views:
     git:
       url: https://github.com/flutter/goldens.git
-      ref: c47f1308188dca65b3899228cac37f252ea8b411
+      ref: 64d0f6051b9b7b9933d3d16194170a38f544634a
       path: dev/integration_tests/assets_for_android_views
 
   archive: 3.3.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"