[quantization] Add some support for 3d operations (#50003)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/50002
The last commit adds tests for 3d conv with the `SubModelFusion` and `SubModelWithoutFusion` classes.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/50003
Reviewed By: mrshenli
Differential Revision: D26325953
Pulled By: jerryzh168
fbshipit-source-id: 7406dd2721c0c4df477044d1b54a6c5e128a9034
