message: Remove pessimizing std::move.
diff: @@ -388,7 +388,7 @@ tensorflow::Status UpdateTFE_ContextWithServerDef(
  &remote_device_mgr));
  } else {
  ctx->context->ClearCaches();
  - remote_device_mgr = std::move(ctx->context->ReleaseRemoteDeviceMgr());
  + remote_device_mgr = ctx->context->ReleaseRemoteDeviceMgr();
  if (remote_device_mgr == nullptr) {
  LOG_AND_RETURN_IF_ERROR(tensorflow::errors::InvalidArgument(
  "Updating context with invalid a valid set of remote devices."));
  