[PyTorch] Use expect_contiguous in CPU matmul (#58895)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58895
There doesn't seem to be any reason we can't use expect_contiguous here.
ghstack-source-id: 130283300
Test Plan: CI
Reviewed By: ngimel
Differential Revision: D28666399
fbshipit-source-id: b4a9bcb01ff1c30d991765140c8df34c3ac3a89b
