am 5a181a24: 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 '5a181a2436fb629c2298b9bfb0b2848b514edbe6':
  Talk-back doesn't notify user to enter unlock PIN when device is locked with PIN lock. b/18568003