am b3898fbe: Merge "Talk-back doesn\'t notify user to enter unlock PIN when device is locked with PIN lock. b/18568003" into lmp-mr1-dev

* commit 'b3898fbe07b488ba15d696be9d00ccfac66a6a77':
  Talk-back doesn't notify user to enter unlock PIN when device is locked with PIN lock. b/18568003