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

* commit '20339172bddac09730bf46f5eb289db4c299d64d':
  NPE fix for SyncStorageEngine read authority