29727 Use eglPresentationTimeANDROID to avoid bogging down the GPU (platform-ios, platform-android, cla: yes, embedder)

29755 Treat clang-analyzer-osx warnings as errors (platform-ios, cla: yes, waiting for tree to go green, platform-macos)

29764 Fix “google-objc-*” clang analyzer warning in macOS and iOS (platform-ios, cla: yes, waiting for tree to go green, platform-macos)

29771 Fixes the accessibilityContainer of FlutterScrollableSemanticsObject (platform-ios, cla: yes, waiting for tree to go green)

29775 Opacity peephole optimization (platform-ios, platform-android, cla: yes, waiting for tree to go green, needs tests, embedder)