allow lists to contain any tensor type (#17321)
Summary:
If something is a TensorList, it should be a list of `TensorType`, not a list of some specialized type.
Fixes #17140, #15642
Pull Request resolved: https://github.com/pytorch/pytorch/pull/17321
Differential Revision: D14158192
Pulled By: suo
fbshipit-source-id: ba8fe6ae8d618c73b23cd00cbcb3111c390c5514
