CalendarTracker tracks all calendars

Now CalendarTracker will track the events of all calendars
that the current user syncs events for and has ownership
contributor or higher.

Test: runtest -x /extra/master/frameworks/base/services/tests/uiservicestests/src/com/android/server/notification/ZenModeConfigTest.java
Change-Id: I898fc603c3247e6e3c560837e9eefd0a1e0dac3c
Fixes: 113368047