[reland] Trigger azure pipeline for multi gpu tests (#56128)
Summary:
Reland https://github.com/pytorch/pytorch/issues/52490 only for nightly builds
Pull Request resolved: https://github.com/pytorch/pytorch/pull/56128
Reviewed By: anjali411
Differential Revision: D28002257
Pulled By: seemethere
fbshipit-source-id: d32bf420fee13b809cee402362f98942234d380b
