am 5452a0df: am 4b74d669: am 48d146c9: am c694ab32: am a3b5a612: Merge "Store ringer mode on entering DND mode so it can be restored on exit." into mnc-dev

* commit '5452a0df668dc48a1170dcfcb55e069c246bb5d1':
  Store ringer mode on entering DND mode so it can be restored on exit.