skip tests if fbgemm is not supported for test_quantizer.py (#25209)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25209
att
Test Plan:
ossci
Imported from OSS
Differential Revision: D17063744
fbshipit-source-id: d4ff860f3cd80c3a90d06c4f13d9ae0e9fe8e125
