message: Fix incorrectly copied mul params.
diff: @@ -155,7 +155,7 @@ OperatorProperty GetOperatorProperty(const BuiltinOperator& op) {
  property.version = 2;
  break;
  case BuiltinOperator_MUL:
  - property.inputs = {{0, {}}};
  + property.inputs = {{0, {}}, {1, {}}};
  property.outputs = {{0, {}}};
  property.version = 2;
  break;
  