Opset 11 updates (#28225)
Summary:
This PR contains:
1- pad updates for opset11 symbolic
2- Updated avg_pool for opset11
3- TopK updates for opset 11
Pull Request resolved: https://github.com/pytorch/pytorch/pull/28225
Reviewed By: hl475
Differential Revision: D18282928
Pulled By: houseroad
fbshipit-source-id: aff2cabca9a155a9b475e35fed69a678544d6669
