29824 Windows: Clean up FML file debug messages (cla: yes, waiting for tree to go green, needs tests)

29825 Make it less likely to GC during application startup on Android (platform-android, cla: yes, waiting for tree to go green)

29827 Add ‘explicit’ to darwin embedder constructors (platform-ios, cla: yes, waiting for tree to go green, platform-macos, needs tests)

29828 Fix darwin namespace-comments and brace lint issues (platform-ios, cla: yes, waiting for tree to go green, platform-macos)

29829 Win32 a11y bridge and platform node delegates (cla: yes, Work in progress (WIP), platform-windows)

29830 Add ‘explicit’ to Android embedder constructors (platform-android, cla: yes, waiting for tree to go green, needs tests)