onnxruntime

2629cb86 - [VitisAI] graph_save only saves proto of the graph instead of entire model (#17368)

[VitisAI] graph_save only saves proto of the graph instead of entire model (#17368) ### Description <!-- Describe your changes. --> graph_save only saves proto of the graph instead of entire model. ### Motivation and Context <!-- - Why is this change required? What problem does it solve? - If it fixes an open issue, please link to the issue here. --> We would like to export a part of a model as a new model for unit test. Therefore, we have to change the API to support such need.