[quant] Enable qnnpack tests for test_quantize and test_numeric_suite (#37351)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/37351
Test Plan:
python test/test_quantization.py PostTrainingStaticQuant
Imported from OSS
Differential Revision: D21293704
fbshipit-source-id: 621f3ac60315b61f99b9b41da691ac3473e974cc
