GHA: add back runner type for distributed tests (#67336)
Summary:
Addresses https://github.com/pytorch/pytorch/pull/67264#issuecomment-953031927
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67336
Test Plan:
the 8x is used for the distributed config
Reviewed By: malfet
Differential Revision: D31961179
Pulled By: janeyx99
fbshipit-source-id: cd21e2bf2a7c6602c9a42a53759b720959e43b8d
