[quant][graphmode][fx] Enable test for non quantized input for add/mul (#52412)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/52412
When the input is not quantized, we'll still quantize add/mul
Test Plan: Imported from OSS
Reviewed By: supriyar
Differential Revision: D26503347
fbshipit-source-id: 457b3444c50e5b49b911b04c67684f5eead78ec9
