Store bias in PackedConvWeight in fbgemm (#25626)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25626
Add bias as an optional parameter in the packed conv weight struct.
ghstack-source-id: 89780639
Test Plan: python test/run_test.py --exclude nn --verbose --bring-to-front quantization quantized quantized_tensor quantized_nn_mods quantizer
Reviewed By: raghuramank100
Differential Revision: D17177723
fbshipit-source-id: e502f2196cb1c002db8b691124db740368944c92