Add an organizerCanRespond column to Calendar table (with default 1)

* Partially addresses the referenced bug
* Exchange calendars will have this column set to 0
* When set to zero, the UI should not display the organizer's attendee status

Bug: 2507842
Change-Id: I1181a6eb3575a70b4587a94de35fc4abf6fb00c8
1 file changed