Merge cherrypicks of ['googleplex-android-review.googlesource.com/22944915'] into security-aosp-rvc-release.

Change-Id: Ifcc07cd2ebef31c9f5182b0c96ac0c672b3c7ed7
tree: 5cb6b1beb6ae680eaec130d829d83fb7fc9e8e6b
  1. files/
  2. google/
  3. soong/
  4. wfa_certs/
  5. Android.bp
  6. OWNERS
  7. README.cacerts