20099 add supported luci builders (cla: yes)

20100 Wait before switching surfaces (cla: yes, platform-android, waiting for tree to go green)

20106 Fix usage of WeakPtr valid check (cla: yes)

20107 Migrate some Dart_WeakPersistentHandle uses to Dart_FinalizableHandle (cla: yes)

20119 Roll zlib (cla: yes)

20121 Remove confusing logs (cla: yes)

20123 add information collection for safari bots (cla: yes)

20125 Manual roll of Dart 40fd1c456e…7e8348f4ce (cla: yes)

20127 [iOS] Fixes text input plugin crash (cla: yes, platform-ios)