[quant][graphmode][fx] Add support for mul and mul relu (#43373)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/43373
Porting op tests from test_quantize_jit.py
Test Plan:
TestQuantizeFxOps
Imported from OSS
Reviewed By: z-a-f
Differential Revision: D23257047
fbshipit-source-id: b7f9fcef965d6368018e05cff09260f0eb6f3b50
