Copy inputs and outputs directly in InferenceSession::SaveModelMetadata (#777)
Copy inputs and outputs directly in InferenceSession::SaveModelMetadata (#777)

* Copy required inputs and outputs directly in InferenceSession::SaveModelMetadata

* trivial

* trivial

microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime,microsoft/onnxruntime