Merge "WifiStateMachine: Return null link layer stats" into nyc-dev am: e3235277e0
am: 8cb1589234

* commit '8cb1589234aa116c49bba15ca616c7beeae0cebe':
  WifiStateMachine: Return null link layer stats

Change-Id: I998ef427c615bd5aa6e6b4db842d62b1f245813d
tree: 20218f3738ef269fc137af773ec5f6fa39bb1eb6
  1. service/
  2. tests/