Updates CUDA memory leak check to verify against driver API and print more diagnostic information (#69556)
Summary:
Per title
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69556
Reviewed By: mrshenli
Differential Revision: D32954770
Pulled By: mruberry
fbshipit-source-id: a6c2ae6f704422c178569980ca4b9c72c4272f55
