message: Update unidirectional lstm test case.
diff: @@ -252,7 +252,7 @@ class HybridUnidirectionalLSTMOpModel : public UnidirectionalLSTMOpModel {
  tensor_type_ = tensor_type;
  }
  - void SetWeights(int weights_idx, std::vector<float> f) {
  + void SetWeights(int weights_idx, const std::vector<float>& f) {
  if (tensor_type_ == TensorType_UINT8) {
  SymmetricQuantizeAndPopulate(weights_idx, f);
  } else {
  