Make InductorCPU usable in internally (#88870)
Test Plan: `buck2 test mode/opt //caffe2/test:test_inductor -- --exact 'caffe2/test:test_inductor - test_dtype_mismatch_issue_cuda (caffe2.test.inductor.test_torchinductor.CudaTests)'`
Differential Revision: D41206109
Pull Request resolved: https://github.com/pytorch/pytorch/pull/88870
Approved by: https://github.com/izaitsevfb
