29585 Reland 3: Display Features support (platform-android, cla: yes, platform-web, platform-fuchsia)

29632 [fuchsia] Move TODOs for Dart v2 to specific bugs. (cla: yes, platform-fuchsia, needs tests)

29634 [fuchsia] Point TODOs off closed bug. (cla: yes, waiting for tree to go green, platform-fuchsia, needs tests)

29638 [Embedder] Send key data through message channel (platform-ios, cla: yes, platform-web, platform-fuchsia, embedder)

29657 fuchsia: Add a SoftwareSurfaceProducer for debug (cla: yes, platform-fuchsia)

29789 Revert “[fuchsia][flatland] route ViewRefs properly for Focus” (cla: yes, platform-fuchsia, needs tests)