am 61893350: am bba1edf7: am e45eaab1: Merge "Add CTS for MediaController.TransportControls and its callback" into lollipop-cts-dev automerge: 62f111d

* commit '618933504a39857e437aa64ccb201a53f2e48a8f':
  Add CTS for MediaController.TransportControls and its callback