Duplicate dynamic quant chain (#1867)

Summary:
Pull Request resolved: https://github.com/pytorch/executorch/pull/1867

Pass to duplicate dynamic quant (chose_qparams -> q -> dq) chain.
This is needed for making xnnpack delegation in executorch work.
Use duplicate dq chain pass to enable lowering to xnnpack.
ghstack-source-id: 215171721
exported-using-ghexport

Reviewed By: jerryzh168

Differential Revision: D53519496

fbshipit-source-id: b62905281d19fa1b82d30aaf44d8223de56b5e8c