message: Enable internal ops when converting graphdef to graph in function optimizer.
diff: @@ -1122,6 +1122,7 @@ Status InlineFunctionCalls(const GrapplerItem& item,
  std::unique_ptr<Graph> graph = absl::make_unique<Graph>(flib_def);
  GraphConstructorOptions graph_constructor_options;
  + graph_constructor_options.allow_internal_ops = true;
  TF_RETURN_IF_ERROR(ConvertGraphDefToGraph(graph_constructor_options,
  item.graph, graph.get()));
  