[AIMIGRAPHX-885] Clean up pad/slice Copies to use external stream and cleanup memory alloc/dealloc#233

TedThemistokleous merged 7 commits intorocm7.2_internal_testingROCm/onnxruntime:rocm7.2_internal_testingfrom

update_copiesROCm/onnxruntime:update_copiesCopy head branch name to clipboard