Disable use_mkldnn when input is not contiguous for oneDNN (#80864)
Fixes [#80837](https://github.com/pytorch/pytorch/issues/80837).
This PR is to disable use_mkldnn when input is not contiguous for oneDNN requirement.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/80864
Approved by: https://github.com/malfet
