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 '4b74d6693e2ea7248de79332a020672ece19b100':
  Store ringer mode on entering DND mode so it can be restored on exit.