Allow LocalResponseNorm to accept 0 dim batch sizes (#62801)
Summary:
This issue fixes a part of https://github.com/pytorch/pytorch/issues/12013, which is summarized concretely in https://github.com/pytorch/pytorch/issues/38115.
This PR allows `LocalResponseNorm` to accept tensors with 0 dimensional batch size.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62801
Reviewed By: zou3519
Differential Revision: D30165282
Pulled By: jbschlosser
fbshipit-source-id: cce0b2d12dbf47dc8ed6247c267bf2f2305f858a