add support for ubuntu 20.04 to CI docker images (#66942)
Summary:
Some minor changes are needed to the .circleci docker scripts to support ubuntu 20.04. One edit updates the packages needed for all images (.circleci/docker/common/install_base.sh), while the other edit is specific to ROCm support.
cc jeffdaily sunway513 jithunnair-amd ROCmSupport KyleCZH seemethere malfet pytorch/pytorch-dev-infra
Pull Request resolved: https://github.com/pytorch/pytorch/pull/66942
Reviewed By: albanD
Differential Revision: D31899271
Pulled By: janeyx99
fbshipit-source-id: f7677ddc063a4504da9f39a756dc181ac55f200a
