[SR] Migrate sigrid_transforms_torch_bind to new FuseListUnpack (#67163)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67163
Migrated both the variadic and non-variadic versions.
This diff is part of the effort to migrate all ops used in `FuseListUnpack` to `FuseListUnpackV2`. The original version of `FuseListUnpack` is problematic for a few reasons:
* You have to complicate the op implementation with an `is_fused` check, resulting in messier code. It is easier to reason about two ops, fused (out variant) and unfused (native).
* The original version of `FuseListUnpack` is buggy. It assumes that the `ListUnpack` node occurs immediately after the fusion candidate, which is not necessarily true.
Test Plan:
Unit tests: `buck test caffe2/benchmarks/static_runtime/...`
**Accuracy Test**
Done at the top of this diff stack.
**Performance**
Everything seems to be about the same plus or minus some noise.
* Baseline (D31947382 with some errors correct locally, the version of the op here is fused and variadic): P464964343
* This diff, fused_variadic: P464960645
* Variadic transformation disabled, fused (caught and fixed a schema error here): P464961561
* List unpack fusion disabled, variadic: P464962661
* Both variadic and fusion passes disabled: P464963342
The predictions match with the JIT interpreter for all ops.
Reviewed By: hlu1
Differential Revision: D31887300
fbshipit-source-id: 25a7b4e35eed21ca8b2c98297513425cf17f461a
