Add quant-dequant nodes for bias. (#20045)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/20045
This pass adds quant-dequant nodes for bias. This pass requires
quant-dequant pass for activations and weights to be done as it is required
to compute the qparams for bias
Differential Revision: D15179141
fbshipit-source-id: 3aab9fceefcadc3fa42a4e802d9b1e18addad78a
