SET_ALARM now accepts a deeplink to an Alarm

Bug: 26747326

- Alarm.getUri renamed to getContentUri for consistency
- AlarmInstance.getUri renamed to getContentUri for consistency
- HandleApiCalls now fails on bad time input rather than showing
  the alarm creation UI

Change-Id: I1e3969eb585f8937665aa63df178dbfe4a27bb6f
6 files changed