inductor: only do the conv+bn folding for the freezing path

[XiaobingSuper]

Stack from ghstack (oldest at bottom):

• -> inductor: only do the conv+bn folding for the freezing path #109270

cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @zhuhaozhe @blzheng @Xia-Weiwen @wenzhe-nrv @jiayisunx @peterbell10 @ipiszy @ngimel @yf225 @chenyang78 @kadeng @muchulee8 @aakhundov

[pytorch-bot]

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🧪 See artifacts and rendered test results at hud.pytorch.org/pr/109270

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[XiaobingSuper]

@pytorchbot rebase

[pytorchmergebot]

@pytorchbot started a rebase job onto refs/remotes/origin/viable/strict. Check the current status here

[pytorchmergebot]

Successfully rebased gh/XiaobingSuper/164/orig onto refs/remotes/origin/viable/strict, please pull locally before adding more changes (for example, via ghstack checkout https://github.com/pytorch/pytorch/pull/109270)

[XiaobingSuper]

@pytorchbot merge

[pytorchmergebot]

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[malfet]

@pytorchbot revert -m "Broke slow test, see https://hud.pytorch.org/pytorch/pytorch/commit/c7017fff38e73210541124739ed9404492ddd68c" -c nosignal

[pytorchmergebot]

@pytorchbot successfully started a revert job. Check the current status here.
Questions? Feedback? Please reach out to the PyTorch DevX Team

[pytorchmergebot]

@XiaobingSuper your PR has been successfully reverted.

[malfet]

See https://github.com/pytorch/pytorch/actions/runs/6214728169/job/16867038383 for example:

=================================== FAILURES ===================================
______ DynamicShapesCodegenCpuTests.test_conv_bn_fuse_dynamic_shapes_cpu _______
Unexpected success
- generated xml file: /var/lib/jenkins/workspace/test/test-reports/python-pytest/inductor.test_torchinductor_codegen_dynamic_shapes/inductor.test_torchinductor_codegen_dynamic_shapes-33d0126f830c1445.xml -