Upload benchmark metrics to S3 bucket (#1484)
Summary:
Enable metrics file upload to S3 bucket ossci-metrics by default.
Test workflow:
A100: https://github.com/pytorch/benchmark/actions/runs/4417886123
T4: https://github.com/pytorch/benchmark/actions/runs/4418258576
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1484
Reviewed By: weiwangmeta
Differential Revision: D44062318
Pulled By: xuzhao9
fbshipit-source-id: 0611048dbe59ba066f8a6ccdf5ff84ed9f76ecb3
