27884 Prevent a race between SurfaceTexture.release and attachToGLContext (platform-android, cla: yes, waiting for tree to go green, needs tests)

27900 Remove references to deprecated SkClipOps (cla: yes, waiting for tree to go green, needs tests)

27911 [web] Fix types of some event listeners (cla: yes, platform-web, needs tests)

27924 Fix the SurfaceTexture related crash by replacing the JNI weak global reference with WeakReference (platform-android, cla: yes, waiting for tree to go green, needs tests)

27941 Fix sample analyzer errors in text.dart (cla: yes, needs tests)

27946 Avoid crashing when FlutterImageView is resized to zero dimension (platform-android, cla: yes, waiting for tree to go green, needs tests)