batch size 0 tests for Quantize/Dequantize DNNLOWP ops (#26873)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26873
Add batch_size == 0 testings of Quantize and Dequantize DNNLOWP operators.
Test Plan: CI
Reviewed By: jianyuh
Differential Revision: D17595077
fbshipit-source-id: 4a4f60d471a1b1b5746131b08623aa8b1d0059f5
