Merge changes from topic 'am-df9335a6e9af47daa7d783215f2af7d1'

* changes:
  Merge changes I8604c9d0,I436a3770,If89fd6d2,I6bad3e75 into nyc-mr1-dev am: 2c64636a am: 7c644e66 am: fc050be8
  Escalate HeadsUp when dreaming starts am: 99415394 am: 0234c7f1 am: 205e1053
  Overflow number supports RTL layout am: 09b7dea5 am: 327663f4 am: a435e282
  Update contentDescription of the DismissView when locale changes am: 68422fd1 am: 3e89d004 am: 93f3bc5f
  Fixes a crash with a renderthread camera animation am: 2c984f16 am: 0dc759ea am: 9223e86c