23655 Implement handling of framework-handled key events (cla: yes, waiting for tree to go green)

23657 Roll Skia from d8e9436a78bf to 0e4a29af9db2 (6 revisions) (cla: yes, waiting for tree to go green)

23659 [web] Reland: Enable the new rich paragraph implementation (cla: yes, platform-web, waiting for tree to go green)

23667 SkParagraph: enable the ICU breaker cache (cla: yes, waiting for tree to go green)

23668 Roll Fuchsia Linux SDK from BUsKF6z4t… to a7ezEWPM5… (cla: yes, waiting for tree to go green)

23669 Remove unused fml::Message serializer (cla: yes, waiting for tree to go green)