NPE fix for SyncStorageEngine read authority am: a962d9eba7 am: 339c4f2b05 am: 58048c1f17 am: eec587edf1 am: 6fc321a66d
am: 5e4e02b009

* commit '5e4e02b00999db4513f43d5ddfdd2c71212cc503':
  NPE fix for SyncStorageEngine read authority