incorporate direct conv into pytorch split (#72685)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/72685
Test Plan: buck test caffe2/test:quantization -- test_qconv_transpose2d
Reviewed By: kimishpatel
Differential Revision: D32909550
fbshipit-source-id: 07ff4d5bc0ab15c02b02d2aec95dea194acef05c
(cherry picked from commit e7f08fc27c15b9aca7d0a8f2e621ae2336decac5)
