DeskClock : Fix "GoogleNow cancel alarms crash"

The crash is caused by inconsistency between parcel writes/reads.
writeToParcel includes attributes which were being ignored by the
createFromParcel of ParcelUuid and hence setting the seek position in the parcel
incorrectly and corrupting the next object. This is why the 2nd object was null.

CYNGNOS-1696

Change-Id: I5eda72002cc8e489accf185a64bbe84e4cd7614b
(cherry picked from commit 2124c3eb)