message: Update code to work with latest version of test harness
diff: @@ -36,18 +36,13 @@ class LMDBDatasetParams : public DatasetParams {
  filenames_(CreateTensor<std::string>(
  TensorShape({static_cast<int>(filenames.size())}), filenames)) {}
  - virtual Status GetInputPlaceholder(
  - std::vector<string>* input_placeholder) const override {
  - *input_placeholder = {LMDBDatasetOp::kFileNames};
  - return Status::OK();
  + virtual std::vector<Tensor> GetInputTensors() const override {
  + return {filenames_};
  }
  - virtual Status GetInputs(
  - const std::vector<Tensor*>& input_datasets,
  - std::vector<std::unique_ptr<Tensor>>* created_tensors,
  - gtl::InlinedVector<TensorValue, 4>* inputs) const override {
  - inputs->clear();
  - AddTensorInputs({filenames_}, created_tensors, inputs);
  + virtual Status GetInputNames(
  + std::vector<string>* input_placeholder) const override {
  + *input_placeholder = {LMDBDatasetOp::kFileNames};
  return Status::OK();
  }
  