Merge Android R

Bug: 168057903
Merged-In: I46d858adbe921eecebfa1c07b8c480e3be998d3d
Change-Id: Id171f4dc4fa6e32d906564df18cf0a937008eca6
tree: b9dd8fcf978097d2a1c8b72daa56ddc59a713af2
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg