Merge pi-dev-plus-aosp-without-vendor into stage-dr1-aosp-master

Bug: 111615259
Change-Id: I53f396c9088201525ec55d039ee523c16dd531e8
tree: f9f79314b4da21860e149362330cbfd9d46670eb
  1. library/
  2. navigationbar/
  3. tools/
  4. .gitignore
  5. OWNERS
  6. PREUPLOAD.cfg