Merge cherrypicks of ['googleplex-android-review.googlesource.com/27403219'] into udc-platform-release.

Change-Id: I7299445ab093223d85cdeb20bbc0240d09a09d7c
tree: c4cd40569d92de1de873c6f1446a4d2e80d3e03b
  1. apex/
  2. app/
  3. system-server/
  4. util/
  5. OWNERS
  6. PREUPLOAD.cfg