13457 [flutter_runner] Enable Skia tracing by default on Fuchsia (Work in progress (WIP), cla: yes)

13487 Use unified logging instead of syslog on iOS 13+ (cla: yes, waiting for tree to go green)

13777 Fix wrong fromRGBO alpha value calculation (cla: yes)

13863 Smart quote/dash configuration support in iOS (cla: yes)

13868 Add ability to control dithering on Paint (cla: yes)

13896 Use ELF for Dart AOT snapshots on Fuchsia. (cla: yes)

13930 [vulkan] Bundle vulkan validation layer so files (cla: yes)

13933 Report backing store changes in the macOS view (cla: yes, waiting for tree to go green)