OpInfo for `nn.functional.avg_pool2d` (#62455)
Summary:
Please see https://github.com/facebookresearch/functorch/issues/78
cc: mruberry zou3519
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62455
Reviewed By: soulitzer
Differential Revision: D30096146
Pulled By: heitorschueroff
fbshipit-source-id: ef09abee9baa5a9aab403201226d1d9db5af100a
