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

* commit '242bdb6d5bec6e42b7caf42fd08ded0accc70fb8':
  NPE fix for SyncStorageEngine read authority