[quant][graphmode][fx] Add support for add relu (#43332)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/43332
Porting op tests from test_quantize_jit.py
Test Plan:
TestQuantizeFxOps
Imported from OSS
Reviewed By: z-a-f
Differential Revision: D23243564
fbshipit-source-id: 3cd1786c6356aaa234d31b50f12ad6ddc38d5664
