DO NOT MERGE - Merge Android 10 into master

Bug: 139893257
Change-Id: Iea1a341889f8df021223fb7294ce8725865b0952
tree: 2ca63a07662d88913d3b4a3f940b52005119c289
  1. PMC/
  2. sl4n/
  3. UID/
  4. OWNERS
  5. PREUPLOAD.cfg