benchmark

5b882382 - Add torchaudio nightly install step for build compatibility (#1576)

Add torchaudio nightly install step for build compatibility (#1576) Summary: The torch, torchtext, torchvision, and torchaudio must all be installed from the same build process. This is covered in the `Notes` section, but torchaudio nightly install instructions were missed, so adding in this PR. Pull Request resolved: https://github.com/pytorch/benchmark/pull/1576 Reviewed By: aaronenyeshi Differential Revision: D45274179 Pulled By: xuzhao9 fbshipit-source-id: fbaf8da53339516662eecd99ba01f9fdbc246df6