Update PyTorch DockerVersion to 285. (#16507)
Summary:
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16507
Differential Revision: D13884588
Pulled By: ezyang
fbshipit-source-id: b7e22daa15874f9a226195d4749b4f9f827d7c1e
