am 6fac0351: 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 '6fac0351cebf84cf9505246e1fec5d74a1fa49c0':
  Talk-back doesn't notify user to enter unlock PIN when device is locked with PIN lock. b/18568003