[ET-VK][Ops] dequantize_per_tensor.default test setup

[ahmtox]

Stack from ghstack (oldest at bottom):

• [ET-VK][Ops] dequantization op shaders and impl #11483
• [ET-VK][Ops] dequantize_per_token.default test setup #11482
• -> [ET-VK][Ops] dequantize_per_tensor.default test setup #11481
• [ET-VK][Ops] dequantize ops skeleton test framework #11480
• [ET-VK][Ops] quantization op shaders and impl #11369
• [ET-VK][Ops] quantize_per_tensor.default test setup #11368
• [ET-VK][Ops] quantize_per_token.default test setup #11367
• [ET-VK][Ops] quantize ops skeleton test framework #11366
• [ET-VK] double, short, and uint16 dtype runtime support #11365
• [ET] enabling half dtype input for quantization #11479

Creating dequantize_per_tensor testing framework along with a reference implementation for testing

Differential Revision: D76267054

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/11481

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❌ 6 New Failures, 2 Unrelated Failures

As of commit 663b539 with merge base ef1d2ff ():

NEW FAILURES - The following jobs have failed:

• Build Presets / linux (pybind, linux.2xlarge, executorch-ubuntu-22.04-clang12) / build (gh)
  The process '/usr/bin/git' failed with exit code 128
• Lint / lintrunner / linux-job (gh)
  >>> Lint for backends/vulkan/test/op_tests/quantize_test.cpp:
• pull / test-models-linux-basic (mv3, portable, buck2, linux.2xlarge, executorch-ubuntu-22.04-clang12) / linux-job (gh)
  Process completed with exit code 254.
• pull / unittest / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 0dcf43e46b5ae087a69ab1841f28e35b99dd00c095c470010156934dab778706 /exec failed with exit code 2
• pull / unittest-editable / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 59bf7dbaf294d1c85cd6edf037e75028d5f6cfc953e70d177047daee75fd6970 /exec failed with exit code 2
• pull / unittest-editable / macos / macos-job (gh)
  The process '/usr/bin/git' failed with exit code 128

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• pull / test-models-linux (mobilebert, xnnpack-quantization-delegation, linux.2xlarge) / linux-job (gh) (matched linux rule in flaky-rules.json)
  The process '/usr/bin/git' failed with exit code 128
• pull / test-models-linux (resnet18, portable, linux.2xlarge) / linux-job (gh) (matched linux rule in flaky-rules.json)
  The process '/usr/bin/git' failed with exit code 128

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This pull request was exported from Phabricator. Differential Revision: D76267054

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This pull request was exported from Phabricator. Differential Revision: D76267054