onnxruntime

[ROCm] UTs and code clean up (#10511)

* Fix UT

* UT

* UTs

* enable ROCm UT

* fix build attempt

* minor

* fix UT

* fix UT

* fix UTs

Co-authored-by: Ethan Tao <ettao@microsoft.com@orttrainingdev7.d32nl1ml4oruzj4qz3bqlggovf.px.internal.cloudapp.net>
Co-authored-by: root <root@GCRAMDRR1-MI100-087.redmond.corp.microsoft.com>