27729 [flutter_release] Fuchsia f5 release branch (cla: yes, platform-fuchsia)

27730 [web] Analysis cleanup (cla: yes, platform-web)

27731 [ci_yaml] Add autoroller builder (cla: yes, waiting for tree to go green)

27732 macOS: Do not use dispatch queue when canceling idle callback (cla: yes, platform-macos, needs tests)

27733 Roll Skia from a37001e2caec to a4953515af8e (2 revisions) (cla: yes, waiting for tree to go green)

27734 [web] Code cleanup (cla: yes, platform-web)