Arm backend: Serialise TOSA shape operations

[oscarandersson8218]

Add support for serializing TOSA shape operators introduced in TOSA-1.1 spec. draft.

cc @digantdesai @freddan80 @per @zingo @mansnils @Sebastian-Larsson @robell @rascani

[pytorch-bot]

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❌ 5 New Failures, 1 Cancelled Job, 4 Unrelated Failures

As of commit 82827d5 with merge base c37b6c3 ():

NEW FAILURES - The following jobs have failed:

• Build Presets / windows (pybind) / build (gh)
• Cadence Build & Test / hifi-build / hifi4 (gh)
  Input required and not supplied: aws-region
• Cadence Build & Test / vision-build / vision (gh)
  Input required and not supplied: aws-region
• pull / test-arm-backend-no-driver (test_pytest_ops_tosa) / linux-job (gh)
  RuntimeError: Command docker exec -t dce788044c2d2a3665eaa4c36bd73cdd83c802e5d35643ac5c99332cf7af0c8f /exec failed with exit code 1
• pull / test-lora-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 19f3e5fa02f7a0a72a3f056a520570b6e47d7f2425cf785d48ad0d522ae04a43 /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• Build Presets / windows (windows) / build (gh)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / test-arm-backend-no-driver (test_pytest_models_tosa) / linux-job (gh) (trunk failure)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.
• pull / test-llama-runner-qnn-linux (fp32, qnn_16a16w, qnn) / linux-job (gh) (trunk failure)
• pull / unittest-nxp-neutron / linux-job (gh) (trunk failure)
  ##[error]The operation was canceled.
• trunk / test-llama-runner-qnn-linux (fp32, qnn_16a16w, qnn) / linux-job (gh) (trunk failure)

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[zingo]

OK to merge, just double check if any buck2 changes in needed due to the added file

[zingo]

nss fails are unrelated fix ongoing and ok to merge anyway see fix here: #20373
(have not checked if there is more errors)