Add unittest-xml-reporting deps to fix the broken CI (#958)
Summary:
The upstream PR https://github.com/pytorch/pytorch/pull/79229 requires CircleCI workflow to install the new dependency `unittest-xml-reporting`
Pull Request resolved: https://github.com/pytorch/benchmark/pull/958
Reviewed By: erichan1
Differential Revision: D37153908
Pulled By: xuzhao9
fbshipit-source-id: 02a996570bcd21ccd951131a5e7f089c0de9d340
