Enable Q/DQ opt with multiple inputs (#18752)

[boomitsnoom]

Summary:
This diff augments the QuantizedInputWrapper to support multiple inputs, and quantize one of them.

Example of graph before fusion:
{F1987256732}

Example of graph after fusion:
{F1987256611}

Reviewed By: ethansfng

Differential Revision: D98233766

Pulled By: boomitsnoom

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/18752

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

❗ 1 Active SEVs

There are 1 currently active SEVs. If your PR is affected, please view them below:

• Rolling out OSDC (ARC) runners on pull workflow for PyTorch trunk commits

This comment was automatically generated by Dr. CI and updates every 15 minutes.

[github-actions]

This PR needs a release notes: label

If your change should be included in the release notes (i.e. would users of this library care about this change?), please use a label starting with release notes:. This helps us keep track and include your important work in the next release notes.

To add a label, you can comment to pytorchbot, for example
@pytorchbot label "release notes: none"

For more information, see
https://github.com/pytorch/pytorch/wiki/PyTorch-AutoLabel-Bot#why-categorize-for-release-notes-and-how-does-it-work.

[meta-codesync]

@boomitsnoom has imported this pull request. If you are a Meta employee, you can view this in D98233766.

[meta-codesync]

@boomitsnoom has exported this pull request. If you are a Meta employee, you can view the originating Diff in D98233766.