Christopher Tate cf96260118 Don't write widget metadata to backup unless it's new/changed
Redundant backup traffic is bad.  Don't commit the widget metadata payload
(or the deletion operation for it) unless the widget state of the app has
actually changed since the last backup.

Bug 19003911

Change-Id: I93819173c0e2357b030d9e2b3d2ee57f2410bb57
2015-01-15 17:37:06 -08:00
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