update circleci scripts for rocm ubuntu bionic support (#39097)
Summary:
CC ezyang xw285cornell sunway513
Pull Request resolved: https://github.com/pytorch/pytorch/pull/39097
Differential Revision: D21753340
Pulled By: ezyang
fbshipit-source-id: 9cd84e9c47c08702d7b67d071dc88c345b9db85c
