Add Gemma 3 test.

[shoumikhin]

Summary: Also, let multimodal runner accept image/audio data as floats too

Differential Revision: D84001548

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/14825

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❌ 1 New Failure, 1 Pending

As of commit 4af2e9e with merge base a39866c ():

NEW FAILURE - The following job has failed:

• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 8ba7ba77256695aa735f90f0bd82ea9ea6f5afbdd3d5b650bb558cfc6923a09f /exec failed with exit code 1

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[facebook-github-bot]

@shoumikhin has exported this pull request. If you are a Meta employee, you can view the originating Diff in D84001548.

[github-actions]

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[shoumikhin]

@pytorchbot cherry-pick --onto release/1.0 -c fixnewfeature

[pytorchbot]

Cherry picking #14825

The cherry pick PR is at #14837 and it is recommended to link a fixnewfeature cherry pick PR with an issue. The following tracker issues are updated:

• [v1.0.0] Release Tracker #14288 (comment)

Details for Dev Infra team

Raised by workflow job