void stateLoaded(AssignmentManager am, RegionStateNode regionNode) {
    if (remoteProc != null) {
      remoteProc.stateLoaded(am, regionNode);
    }
  }
At end of timeout, wake ourselves up so we run again.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/TransitRegionStateProcedure.java