39945 added new lifecycle state

11913 Added new lifecycle enum

45115 fix ios_add2app_life_cycle license

45133 reland add lifecycle enum and fix the scheduleforcedframe

45430 Drops detached message until we can handle it properly

9525 Android Embedding Refactor PR36: Add splash screen support.

9506 Synchronize main thread and gpu thread for first render frame

39600 Let Material BackButton have a custom onPressed handler

9952 ios: Fixed the callback for the first frame so that it isn’t predicated on having a splash screen.

10145 Added integration test that tests that the first frame callback is called

42708 Test the Android embedding v2