Fix bugs related to disabling Exchange calendar from UI

* There was a TODO for this... :-)
* First, I added some logging to help debug this kind of situation
  in the future
* I also now forcibly stop any ongoing sync of the calendar being
  disabled; this appears related to the problem of Events not
* Added a kick() after the calendar is re-enabled to make sure it
  starts resyncing immediately.

Bug: 2526924
Change-Id: Ib18f4c3c4e016f5cb5205fea5f3f12c0782b5e54
1 file changed