[ET-VK] Add coop shader for int8 linear

[SS-JIA]

Stack from ghstack (oldest at bottom):

• -> [ET-VK] Add coop shader for int8 linear #10304
• [ET-VK] Enable int8 tiled compute shader to be used with buffer tensors #10302

Title says it all!

Changes

• Apply co-operative shader for vector * matrix computations.

Differential Revision: D73279548

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/10304

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❗ 1 Active SEVs

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

• [Infra] Jobs got intermittently cancelled/fail midway checkout

❌ 8 New Failures, 9 Unrelated Failures

As of commit 1bfd0a4 with merge base 5b7f235 ():

NEW FAILURES - The following jobs have failed:

• Check Labels / Check labels (gh)
  RuntimeError: Error checking labels: PR does not have required labels
• pull / android / build-llm-demo / linux-job (gh)
  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-linux (fp32, xnnpack+custom+qe, linux.arm64.2xlarge, executorch-ubuntu-22.04-gc... / linux-job (gh)
  Access to the path '/home/ec2-user/actions-runner/_work/_temp/_runner_file_commands/add_path_461a9489-a774-4622-ad52-bc565b39b7ff' is denied.
• pull / test-llama-runner-linux (fp32, xnnpack+custom+quantize_kv, linux.arm64.2xlarge, executorch-ubuntu... / linux-job (gh)
  Access to the path '/home/ec2-user/actions-runner/_work/_temp/_runner_file_commands/add_path_4ca25d67-f01c-485f-8c49-e2ad6e33a5a4' is denied.
• pull / test-llama-runner-linux (fp32, xnnpack+quantize_kv, linux.arm64.2xlarge, executorch-ubuntu-22.04-... / linux-job (gh)
  Access to the path '/home/ec2-user/actions-runner/_work/_temp/_runner_file_commands/add_path_e04ccebe-2ac9-4937-8d74-a5b63d27e4f7' is denied.
• pull / test-mediatek-models-linux / linux-job (gh)
  Missing file at path: /home/ec2-user/actions-runner/_work/_temp/_runner_file_commands/set_output_b6e0ca5b-0c44-48ea-aaf8-7b5591208312
• pull / test-models-linux-basic (mv3, portable, cmake, linux.arm64.2xlarge, executorch-ubuntu-22.04-gcc11... / linux-job (gh)
  Access to the path '/home/ec2-user/actions-runner/_work/_temp/_runner_file_commands/add_path_b6221e63-0a4b-4a47-83f5-f56600c4fa33' is denied.
• pull / test-models-linux-basic (mv3, xnnpack-quantization-delegation, cmake, linux.arm64.2xlarge, execut... / linux-job (gh)
  Access to the path '/home/ec2-user/actions-runner/_work/_temp/_runner_file_commands/add_path_c35a7ef2-1f14-48e5-8d65-03713a8dce85' is denied.

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

• pull / test-llama-runner-linux (fp32, xnnpack+custom+qe, linux.2xlarge, executorch-ubuntu-22.04-clang12) / linux-job (gh) (matched linux rule in flaky-rules.json)
  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-linux (fp32, xnnpack+quantize_kv, linux.2xlarge, executorch-ubuntu-22.04-clang12) / linux-job (gh) (matched linux rule in flaky-rules.json)
  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-models-linux (resnet18, portable, linux.2xlarge) / linux-job (gh) (matched linux rule in flaky-rules.json)
  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-models-linux-basic (mv3, xnnpack-quantization-delegation, buck2, linux.2xlarge, executorch-u... / linux-job (gh) (matched linux rule in flaky-rules.json)
  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-models-linux-basic (vit, xnnpack-quantization-delegation, buck2, linux.2xlarge, executorch-u... / linux-job (gh) (matched linux rule in flaky-rules.json)
  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-openvino-linux / linux-job (gh) (matched linux rule in flaky-rules.json)
  The runner has received a shutdown signal. This can happen when the runner service is stopped, or a manually started runner is canceled.
• pull / unittest / linux / linux-job (gh) (matched linux rule in flaky-rules.json)
  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-llava-runner-linux / 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-models-linux (resnet50, portable, linux.2xlarge) / 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.

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