add pop support to list (#17015)
Summary:
[WIP] add "pop" to list, see https://github.com/pytorch/pytorch/issues/16662
Pull Request resolved: https://github.com/pytorch/pytorch/pull/17015
Differential Revision: D14071680
Pulled By: eellison
fbshipit-source-id: b49a318059c1cc131acda50713132e11b562568f
