29344 Revert “Android Background Platform Channels” (platform-android, cla: yes)

29346 Reapply: Android background platform channels (platform-android, cla: yes, waiting for tree to go green)

29378 Revert “Temporarily delete deprecated Android v1 embedding “ (platform-android, cla: yes)

29403 Reland “Set system bar appearance using WindowInsetsController” (platform-android, cla: yes, waiting for tree to go green)

platform-web - 63 pull request(s)

26996 Add SPIR-V FragmentShader API to painting.dart (platform-android, cla: yes, platform-web, platform-fuchsia)

27872 [web] Don’t reset history on hot restart (cla: yes, platform-web, needs tests, cp: 2.5)