Update to ROCm 2.8 (#27337)
Summary:
New docker images built with tag 324.
Related jenkins changes:
https://github.com/pytorch/ossci-job-dsl/commit/83ec81335742e66b02af90b7c74021b8792fc63f
https://github.com/pytorch/ossci-job-dsl/commit/aa235a14c82db69d0544cd8fc1da03ef9a50096e
Triggered CI runs:
https://ci.pytorch.org/jenkins/job/caffe2-builds/job/py2-devtoolset7-rocmrpm-centos7.5-trigger-test/48682/
https://ci.pytorch.org/jenkins/job/pytorch-builds/job/py2-clang7-rocmdeb-ubuntu16.04-trigger/55638/
Pull Request resolved: https://github.com/pytorch/pytorch/pull/27337
Differential Revision: D17753827
Pulled By: bddppq
fbshipit-source-id: 2c3f77b0b7c680013c7cc6d7953fe0da4922fe48
