message: Update Batch_MatMul op version during conversion.
diff: @@ -356,6 +356,8 @@ void UpdateInt8OperatorVersions(ModelT* model, bool use_updated_hybrid_scheme) {
  model->operator_codes[i]->version = use_updated_hybrid_scheme ? 5 : 2;
  } else if (op_code == BuiltinOperator_FULLY_CONNECTED) {
  model->operator_codes[i]->version = use_updated_hybrid_scheme ? 9 : 3;
  + } else if (op_code == BuiltinOperator_BATCH_MATMUL) {
  + model->operator_codes[i]->version = use_updated_hybrid_scheme ? 4 : 1;
  } else if (op_code == BuiltinOperator_SVDF) {
  model->operator_codes[i]->version = use_updated_hybrid_scheme ? 4 : 2;
  } else if (op_code == BuiltinOperator_DEPTHWISE_CONV_2D) {
  