[quant][graphmode] quantization support for prim::CallFunction (#34855)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/34855
Test Plan:
python test/test_jit.py
Imported from OSS
Differential Revision: D20655305
fbshipit-source-id: 44cc3525967048fb9d9c145b342ac7d76b22e4db
