Follow up to adaptive_max_pool3d() port (#19748)
Summary:
This is a follow up PR for #19547.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/19748
Differential Revision: D15103230
Pulled By: ezyang
fbshipit-source-id: e7ce925faeadea502f77ed42d52e247c8c6571d8
