Add onednn quant backend (#74137)
Summary:
Resolve the conflicts in https://github.com/pytorch/pytorch/pull/69820
jerryzh168 Please review. Thanks.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/74137
Reviewed By: samdow
Differential Revision: D34840477
Pulled By: jerryzh168
fbshipit-source-id: 8aa60981ff7be211a1609644f273b16d18efd425
(cherry picked from commit de76bb808b315e9a2e45d8c5f1c1233a47d669c4)
