Merge "WifiStateMachine: Return null link layer stats" into nyc-dev am: e3235277e0
am: 4ff87a5b7b

* commit '4ff87a5b7b35722319f734ff41f9b19596aa972e':
  WifiStateMachine: Return null link layer stats

Change-Id: I74d87896e13065ca536132c489651453f42431c5
tree: 20218f3738ef269fc137af773ec5f6fa39bb1eb6
  1. service/
  2. tests/