Merge pi-dev-plus-aosp-without-vendor into stage-aosp-master

Bug: 79597307
Change-Id: I0f0abb02ae1f8e54b5c524ca2900d6f6c0e530b2
tree: fe3eec16c14d8f75bc9fcb0742d314b6a079b029
  1. apps/
  2. build/
  3. util/
  4. .gitignore
  5. README