NPE fix for SyncStorageEngine read authority am: a962d9eba7 am: 339c4f2b05 am: 58048c1f17 am: eec587edf1 am: 6fc321a66d am: 5e4e02b009 am: 242bdb6d5b am: 4aa78554df am: 20339172bd am: 20c518816a
am: 7f35fa7365

* commit '7f35fa7365b24f13f7553c452dc68f99fc7304ae':
  NPE fix for SyncStorageEngine read authority