Report bazel-test results as CircleCI metadata (#36643)
Summary:
Also print docker container stats at the end of the run
Pull Request resolved: https://github.com/pytorch/pytorch/pull/36643
Differential Revision: D21044161
Pulled By: malfet
fbshipit-source-id: 6877d8ce4789116ef270124307844f6cef7dcef5
