[quant] Input-Weight Equalization - Conv observer support (#61285)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/61285
Modifies observers to support conv layers and tests to make sure that the observers are returning the expected values for conv inputs.
Test Plan:
`python test/test_quantization.py TestEqualizeFx.test_input_weight_eq_observer`
Imported from OSS
Reviewed By: jerryzh168
Differential Revision: D29557041
fbshipit-source-id: 5e43329f189ba352eb8b991f38bf37752eebb6e6
