Make `torch.fx.experimental.fx2trt.passes` a package (#68139)
Summary:
Only packages and tools (which are explicitly specified) are included in the wheel/conda files
Pull Request resolved: https://github.com/pytorch/pytorch/pull/68139
Test Plan:
Run `python3 -c "from setuptools import find_packages; print([x for x in find_packages(exclude=('tools','tools.*')) if 'torch.fx' in x])"` before and after the change
Fixes https://github.com/pytorch/pytorch/issues/68059
Reviewed By: nrsatish, seemethere
Differential Revision: D32330483
Pulled By: malfet
fbshipit-source-id: a55443730999a83c615b3f943c327353c011bf7b
