[quant] Move test file to fx2trt folder (#67129)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67129
Since the tests depends on experimental feature (fx2trt), we'll move them to fx2trt foler
Test Plan:
python test/fx2trt/test_quantize_fx.py
Imported from OSS
Reviewed By: vkuzo
Differential Revision: D31877123
fbshipit-source-id: 5a98a257c4806c1911cfc2616d5ad98d715234c4
