29398 [fuchsia] Remove remaining references to Topaz. (cla: yes, platform-fuchsia)

29414 fuchsia: Enable ASAN; add tests flag (affects: tests, cla: yes, platform-fuchsia)

platform-android - 80 pull request(s)

24756 Display Features support (Foldable and Cutout) (platform-android, cla: yes, waiting for tree to go green)

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

27662 Implementation of two or more threads merging for multiple platform views (platform-android, cla: yes)

27878 Fix wrong EGL value in AndroidEnvironmentGL (platform-android, cla: yes, waiting for tree to go green, needs tests)