17381 Clear focus if a platform view goes away (cla: yes)

17393 Fix bug in handling delete key event for android (cla: yes, waiting for tree to go green)

17407 use clang on Windows (cla: yes)

17410 Move Linux shell docstrings to headers (cla: yes)

17420 Make DPAD movement consider grapheme clusters (affects: text input, cla: yes)

17465 Android Autofill  (cla: yes)

17474 Fixed a bug that left a blank at the bottom of the screen (cla: yes)

17484 Use const refs in for loops where reasonable (cla: yes)

17489 Improve C++ plugin lifetime handling (cla: yes)