91918 Cherry pick engine 33ad6c4d3fc3f9cb4391980531cb12cfc44e4137 (engine, cla: yes)

91920 Roll Engine from 13e4ba56398a to 77a9af74beb7 (2 revisions) (cla: yes, waiting for tree to go green)

91928 Roll Engine from 77a9af74beb7 to f6ad5636f117 (1 revision) (cla: yes, waiting for tree to go green)

91930 Revert “Remove BottomNavigationBarItem.title deprecation” (framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)