Reland [quant][tests] Enable tests to run on all qengine backends (#37943)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/37943
Refactor tests to use supported_qengines
Test Plan:
python test/test_quantization.py
Imported from OSS
Differential Revision: D21435514
fbshipit-source-id: 8004ef2535e1cc65036f331c00af27ded1c04a6b
