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 am: 29257874f9 am: 02d89a3c0c am: 14164f1bdf
am: 7078aaa62a

Change-Id: Ib2de51e856b8fe7da42c37490cb84bafee9ed2f7