Merge remote-tracking branch 'goog/ub-deskclock-dazzle_nyc' into nyc-dev

* goog/ub-deskclock-dazzle_nyc: (122 commits)
  Add android.support.design proguard flags
  Use ACTION_LOCKED_BOOT_COMPLETED on API 24+ - DO NOT MERGE
  Teach DeskClock about file-based encryption. - DO NOT MERGE
  Refactoring SharedPreferences to common location. - DO NOT MERGE
  Use AppCompat's imageButtonStyle attribute - DO NOT MERGE
  Use SimpleItemAnimator - DO NOT MERGE
  Bump version to 4.5.0 - DO NOT MERGE
  Do not assume current stopwatch lap has positive duration
  Avoid IndexOutOfBounds when deleting timer - DO NOT MERGE
  Fix snooze event tracking
  Rebuild notifications after app upgrade
  Fire timers as scheduled after app upgrade
  Create AlarmObserverPreL in onCreate
  Handle deleted timers gracefully
  Fix alarm not firing in memory-pressure situations
  Promote TimerService to the foreground while expired timers exist
  Match firing alarms for SEARCH_MODE == alarm.next
  Fix alarm icon cut off in 1x4 digital widget on nexus 5
  Import translations. DO NOT MERGE
  Attempt to avoid early death of AlarmService
  ...

Change-Id: I422291e92ca76a901aba0d192749789916495711