Implement EXTRA_SKIP_UI.

Change SetAlarm to take an alarm object instead of just the id.  Have
HandleSetAlarm pass the new Alarm object to the activity if EXTRA_SKIP_UI is
false.

Update TestAddAlarm to toggle the UI.

Bumped version number.

Bug: 3284120
Change-Id: Ie84ac8e3d7a63bfd64e40c626e577ce8b1f371b9