[Pytorch] Disable use of qnnpack with ceil_mode avgpool (#79028)
Summary:
In pooling ops qnnpack does not handle ceil_mode. This is protected in maxpool
but not in avgpool. This diff adds that.
Test Plan: CI
Differential Revision: D36975661
Pull Request resolved: https://github.com/pytorch/pytorch/pull/79028
Approved by: https://github.com/dzdang
