Android NDK r23c (8568313)
Merge cherrypicks of [1949816] into ndk-release-r23.

Change-Id: I7fed6dcb0e62588c4ce570ac924ca95fb8539483
tree: 5cf68b7dabd868f99ec4160cf1f7237ff63e4c37
  1. bin/
  2. doc/
  3. share/