Trigger azure pipeline for multi gpu tests (#52490)
Summary:
The run on CircleCI: https://app.circleci.com/pipelines/github/pytorch/pytorch/283891/workflows/e049872e-5327-4f8c-abc3-a72ca6a1a548/jobs/11462671
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52490
Reviewed By: glaringlee
Differential Revision: D27470071
Pulled By: malfet
fbshipit-source-id: 9b7615799da5fc8381fef226da003449b2698d35
