DO NOT MERGE

Merge pie-platform-release (PPRL.181205.001, history only) into master

Bug: 120502534
Change-Id: Ie37b14b34b4ef13c5c6c9a9e435b374bc032f844
tree: cc9e5433ecb65a9beaf1d1f02d435ddb0d784ad0
  1. BUILD.gn
  2. DEPS
  3. proguard.flags
  4. src/