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

* commit '6fc321a66d74401e00b2203817f75e29a0426ab7':
  NPE fix for SyncStorageEngine read authority