[quant][graphmode] insert quant/dequant work for duplicated debugName (#34315)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34315
previously we register quantization parameter attributes using debugName of
the observed value, but debugName is not unique, this PR addresses this problem
by making attribute names unique
Test Plan:
python test/test_jit.py
Imported from OSS
Differential Revision: D20504455
fbshipit-source-id: 6dd83bdfc4e4dc77ad3af3d5b48750fb01b2fce1
