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

* commit 'ad137ac0e46e0c220b5bf1d8db2158cb7cdc66b6':
  camera2 CTS: Allow AE convergence in DngCreatorTest.