[quant][fx][graphmode] Run symbolic_trace in quantization (#45919)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45919
As discussed with JIT team, we'll run symbolic trace in quantization functions
prepare_fx now takes orginal pytorch model (torch.nn.Module) instead of `GraphModule` as input
Test Plan: Imported from OSS
Reviewed By: supriyar
Differential Revision: D24145857
fbshipit-source-id: 2b7a4ca525a7a8c23a26af54ef594c6a951e4024
