pytorch

a6cbbd21 - Revert D17843468: Save Docker image to workspace instead of pushing to ECR.

Revert D17843468: Save Docker image to workspace instead of pushing to ECR. Test Plan: revert-hammer Differential Revision: D17843468 Original commit changeset: c3f549e562c6 fbshipit-source-id: abb61692238c8b3ad54d31ef6bffe42ecc2f090e