Add forward AD formulas for `{adaptive_,fractional_,}max_pool{2,3}d_{backward,}` (#69884)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69884
Also fixes: https://github.com/pytorch/pytorch/issues/69322, https://github.com/pytorch/pytorch/issues/69325
Test Plan: Imported from OSS
Reviewed By: bdhirsh
Differential Revision: D33093039
Pulled By: soulitzer
fbshipit-source-id: b9a522a00f4e9e85974888de5058de07280f8f66
