Update clock fragment alarm text on alarm change.
Update clock fragment alarm text on alarm change.

Bug: 10516129
Change-Id: Ibd1b3db80e9f7b2e2eb8db59cf88438f58571528
(cherry picked from commit 5b0de6c83ff2401b61ed8f191d018a99d6d6c7e1)
dseuss/deskclock,OrBin/SynClock-Android,dseuss/deskclock