[ET-VK] Introduce specialized implementation for per-row reduction

[SS-JIA]

Stack from ghstack (oldest at bottom):

• -> [ET-VK] Introduce specialized implementation for per-row reduction #15161
• [ET-VK] Contiguous buffer implementation for embedding #15160
• [ET-VK] Implementation of pow.Tensor_Scalar #15159
• [ET-VK][ez] Introduce a graph config setting to force resize functions to execute #15158
• [ET-VK] Introduce TextureMetadata struct #15157
• [ET-VK][ez] Allow bool tensors to be lowered to ET-VK and add uint8(bool) dtype variants for several compute shaders #15155
• [ET-VK][ez] Make pipeline executable properties be controlled by a different macro #15154
• [ET-VK][ez] Accept sample_kwargs as an argument in several test util functions #15153

Title says it all!

This diff also adds support for argmin and argmax, but only for per-row reduction.

Differential Revision: D84716454

[pytorch-bot]

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❌ 3 New Failures, 7 Pending, 1 Unrelated Failure

As of commit 146c776 with merge base 7349bb5 ():

NEW FAILURES - The following jobs have failed:

• pull / unittest / macos / macos-job (gh)
  export/tests/test_target_recipes.py::TestTargetRecipes::test_linear_model
• pull / unittest-arm-backend-with-no-fvp (test_pytest_models) / linux-job (gh)
  RuntimeError: Command docker exec -t 849de5e33fce5ac6aae676ca7718f055ca701d71dcefa3e5441e5affd353edf7 /exec failed with exit code 1
• pull / unittest-nxp-neutron / linux-job (gh)
  RuntimeError: Command docker exec -t 13617855237c7b2be5695d21b4856099086909dc998c3c48b5c6b739330ff419 /exec failed with exit code 1

FLAKY - The following job failed but was likely due to flakiness present on trunk:

• pull / unittest-editable / linux / linux-job (gh) (detected as infra flaky with no log or failing log classifier)

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