Merge cherrypicks of ['googleplex-android-review.googlesource.com/21680607'] into security-aosp-tm-release.

Change-Id: I0fb53ac23b748b778b6353056ff4fd5dc0febffc
tree: 580f910d4e575f85429ffc3fb0df689d6ed94585
  1. intf/
  2. pn8x/
  3. snxxx/
  4. .clang-format
  5. Android.bp
  6. METADATA
  7. OWNERS
  8. PREUPLOAD.cfg