onnxruntime

ad90352a - Add MAUI test app that can be used to test model loading and performance (#16658)

Add MAUI test app that can be used to test model loading and performance (#16658) ### Description <!-- Describe your changes. --> MAUI test app with tooling to add model and generated or provided input test data. The app will load the model and validate the output. It can also run a specified number of iterations to provide basic performance information. <img width="401" alt="image" src="https://github.com/microsoft/onnxruntime/assets/979079/daf3af13-fb22-4cbb-9159-486b483a7485"> ### 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. --> Primarily to make it easier to test an arbitrary model on iOS. A MAUI app allows testing on all platforms. --------- Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com>