[quant][graphmode] Quantization support for `quantized::add_scalar` (#35334)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/35334
Test Plan:
python test/test_jit.py
Imported from OSS
Differential Revision: D20655299
fbshipit-source-id: 66e1fa215a4a40f40dc7abe442c05bb5b6b20cfe
