14019 Added docstring for FlutterOverlayView. (cla: yes)

14021 Roll fuchsia/sdk/core/linux-amd64 from kzFUw… to xyyOR… (autoroller: commit, cla: yes)

14022 Avoid retaining self in block (cla: yes)

14024 Wire up Opacity on Fuchsia, round 2 (affects: engine, cla: yes, waiting for tree to go green)

14026 Catch exception for unit test failure and show output. (cla: yes)

14035 Include uncommitted files when checking for code format issues. (cla: yes)

14043 Roll fuchsia/sdk/core/linux-amd64 from xyyOR… to mSEnz… (autoroller: commit, cla: yes)