Merge "Add a test for IPv6 connectivity when the screen is off" into marshmallow-cts-dev am: 57698669d9 am: aad9826bb7 am: 6e54ecd7bb
am: e6a242c55b

* commit 'e6a242c55bc0d4d736d3ed28a315604712a6ff20':
  Add a test for IPv6 connectivity when the screen is off