Add tests for quantizing traced models (#30476)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30476
att
Test Plan:
python test/test_quantization.py
Imported from OSS
Differential Revision: D18795724
fbshipit-source-id: 9253e102bf458d9185f68848071a4e4eff9f9b08
