getQParams return a dictionary of qparams (#30859)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30859
We can dictionary of quantization parameters to simplify the code
handling these things a bit
Test Plan:
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Imported from OSS
Differential Revision: D18849023
fbshipit-source-id: 09e9860b2656a1affa8776016e16794529bcee3b
