Added DevOps PR and Nightly Build logic (#58007)
Summary:
This PR adds Azure DevOps support for running custom PyTorch unit tests on PyTorch PR and Nightly builds.
PR Builds on Azure DevOps:
- Ensures that the wheel artifacts for a given PR build is ready
- Once the wheels are ready, PyTorch custom tests are run on torch installation from build wheels
Nightly Builds on Azure DevOps:
- Cues 4 builds {Win,Linux}*{cpu, CUDA} to run PyTorch custom unit tests on nightly PyTorch builds.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58007
Reviewed By: seemethere, mruberry
Differential Revision: D28342428
Pulled By: malfet
fbshipit-source-id: a454accf69163f9ba77845eeb54831ef91437981
