Update PyTorch Docker image to 323. (#23389)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/23389
Test Plan: Imported from OSS
Differential Revision: D16541971
Pulled By: ezyang
fbshipit-source-id: 2b7e483f4d6eedef7f5c140ffc0fac21fecd179b
