message: Relax criteria, since first pass will add NGraphVariable
diff: @@ -386,8 +386,7 @@ bool IsProcessedByNgraphPass(Graph* g) {
  // first pass
  // Also variable/optimizer change introduces other types of ng nodes
  for (Node* node : g->nodes()) {
  - if (node->type_string() == "NGraphEncapsulate" ||
  - node->type_string() == "NGraphVariable")
  + if (node->type_string() == "NGraphEncapsulate")
  return true;
  }
  return false;
  