Run PR test on GCP A100 runner (#1255)
Summary:
Use GCP A100 runner to run the PR CI test.
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1255
Reviewed By: weiwangmeta
Differential Revision: D40531165
Pulled By: xuzhao9
fbshipit-source-id: 66ffe649f673e27710d6d7f8de4f8097baedf088
