[Reland][Inductor] Disallow OpOverloadPacket in ir.FallbackKernel (#110567) (#111396)
This is a reland of #110567 with additional fbcode fixed.
Summary:
In ABI compatible mode, We always need op_overload.schema for FallbackKernel.
Approved by: https://github.com/jansel
Test Plan: contbuild & OSS CI, see https://hud.pytorch.org/commit/pytorch/pytorch/37a02659921490d85b2b0712ad52b924e0c431cd
Differential Revision: D50339346
Pull Request resolved: https://github.com/pytorch/pytorch/pull/111396
Approved by: https://github.com/chenyang78
