Trace linear as aten::linear (#51897)
Summary:
https://github.com/pytorch/pytorch/pull/51613 made `torch.nn.functional.linear` compile as `aten::linear`, extend the same behavior with tracing.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51897
Reviewed By: albanD
Differential Revision: D26320711
Pulled By: eellison
fbshipit-source-id: a26d3c37323a0706313c6ebb210bad60eec6a64b
