move __range_length and __derive_index to lite interpreter (#40533)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/40533
These ops are required by the demucs denoiser model
Test Plan: build
Reviewed By: kaustubh-kp, linbinyu
Differential Revision: D22216217
fbshipit-source-id: f300ac246fe3a7a6566a70bb89858770af68a90c
