29800 Listen for display refresh changes and report them correctly (platform-ios, platform-android, cla: yes, waiting for tree to go green, embedder)

29816 Mentioned that replies can be invoked on any thread (platform-android, cla: yes, waiting for tree to go green, needs tests)

29825 Make it less likely to GC during application startup on Android (platform-android, cla: yes, waiting for tree to go green)

29830 Add ‘explicit’ to Android embedder constructors (platform-android, cla: yes, waiting for tree to go green, needs tests)

29868 Release the JNI reference to the FlutterJNI class in GetDisplayRefreshRate (platform-android, cla: yes, needs tests)

29889 Listen for Vsync callback on the UI thread directly (platform-android, cla: yes, waiting for tree to go green, needs tests)