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

* commit 'e3235277e0bef27f51c50a1ddb74acbd80c996d5':
  WifiStateMachine: Return null link layer stats

Change-Id: I90d89c48f346c6473f63fd6c4f40b2d180049a0d
tree: f49010f8171ef28593d112e99c70a549161de6ef
  1. service/
  2. tests/