message: Set the rendezvous_creator in SingleThreadedExecutor::RunAsync from params_.
diff: @@ -207,6 +207,7 @@ class SingleThreadedExecutorImpl : public Executor {
  params.log_memory = false; // TODO(mrry): Too severe?
  params.record_tensor_accesses = false; // TODO(mrry): Too severe?
  params.rendezvous = args.rendezvous;
  + params.create_rendezvous = &(params_.rendezvous_factory);
  params.session_state = args.session_state;
  params.tensor_store = args.tensor_store;
  params.cancellation_manager = args.cancellation_manager;
  