Merge "Annotate @SystemApi with required permissions." into oc-dev
am: c1406978a4

Change-Id: I305967cad945a807c3f8234efabaad0ef8b591d1
tree: 3a11c2fa2bcb7be28da7ec3b7932ba9c8565a50a
  1. core/
  2. services/
  3. wifi/