docker: Add torchelastic to docker image (#45438)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45438
Adds torchelastic (as well as its dependencies) to the official docker
images
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: tierex
Differential Revision: D23963787
Pulled By: seemethere
fbshipit-source-id: 54ebb4b9c50699e543f264975dadf99badf55753
