am 7ce976fe: am ad137ac0: am 907711db: am d03cbc61: Merge "camera2 CTS: Allow AE convergence in DngCreatorTest." into lollipop-mr1-cts-dev

* commit '7ce976febd624a613e55f3e6da0d2c736a393459':
  camera2 CTS: Allow AE convergence in DngCreatorTest.