Clearing up invalid entries when SyncStorageEngine starts am: 271702fc28 am: 8b438236ce  -s ours am: 159648d6e5 am: 6f0e6952ef am: 8fb52c8d06 am: cf8fe172a1 am: 55ffaea04b am: d1150b7e55
am: a4454ba4a9

Change-Id: Ie24e5fc3ab442ca5c51ca79687d417ae563d631c