Merge "Moved some constants from CarServiceHelper to user-lib." into rvc-dev am: 1b1c98d140 am: 0603e0ddd9

Change-Id: I63c61eb9a052f5811696f4772ad8442e4ec0480f
tree: 95f8d91bdcb12cfe293ee40644ef6a123813cb5b
  1. src/
  2. tests/
  3. Android.bp
  4. OWNERS