Clean up Utils

Removed an unused method from Utils.

Change-Id: I0aafe006e4f874bb0f10909592d83260574f463f
Updated calendar app for new notifications in "do not interrupt mode"

 - This fixes bug #2785749

Change-Id: I94cf40a3cd413387139a9e4b1a3cb069352fc373
Merge commit 'd23299d34131ad917f1e84fdd8b48c28171239d5' into oxygen_1006

* commit 'd23299d34131ad917f1e84fdd8b48c28171239d5':
  (-sours) Updated calendar app for new notifications in "do not interrupt mode"
  Clean up Utils

Conflicts:
	src/com/android/calendar/AlertReceiver.java