pytorch

8d33eb45 - Fix avg pool2d api (#17166)

Fix avg pool2d api (#17166) Summary: Fix xla breakage (partially). Pull Request resolved: https://github.com/pytorch/pytorch/pull/17166 Differential Revision: D14106954 Pulled By: ailzhang fbshipit-source-id: 35ae6713272d0517b66da2ee9209f49015492b89