Always display toast for creating group

Bug: 32243988
Bug: 32091619
Bug: 32432333
Test: Open left nav and create groups observing toast from browse and
duplicates screens.
Test: Add to and delete from group, observe toast.
Test: Rename group, observe toast.

Change-Id: I4885fcac570c9e0c4d04e68d2615ec8c69c6b61e