[ET-VK][ez] Rename run_prepack() to prepack() and replace encode_prepack() + prepack() with just prepack()

[SS-JIA]

Stack from ghstack (oldest at bottom):

• [ET-VK] 7/n Split dispatches between multiple command buffers. Split execute dispatch into multiple commands based on dispatch count. #12530
• [ET-VK] 6/n Split dispatches between multiple command buffers. Repurpose submit_current_cmd_and_wait to wait based on input flag. #12529
• [ET-VK] 5/n Split dispatches between multiple command buffers. Track previously submitted command buffers in context and add function to execute all previous command buffers. #12527
• [ET-VK] 4/n Split dispatches between multiple command buffers. Removing flush function call from submit_current_cmd_and_wait. #12525
• [ET-VK] 3/n Split dispatches between multiple command buffers. Track previous semaphore in context. #12523
• [ET-VK] 2/n Split dispatches between multiple command buffers. Add semaphore support to Adapter::submit_cmd. #12522
• [ET-VK] 1/n Split dispatches between multiple command buffers. Add semaphore support in command buffer. #12519
• -> [ET-VK][ez] Rename run_prepack() to prepack() and replace encode_prepack() + prepack() with just prepack() #12443
• [ET-VK] Split up prepack command buffer #12442

Title says it all!

See below diff for more context on why this new API exists.

Differential Revision: D78275583

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❌ 1 New Failure

As of commit ebc8cb2 with merge base 46ca782 ():

NEW FAILURE - The following job has failed:

• pull / test-eval_llama-mmlu-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 6911dcdbba9ab70f4573e9548a3eec0393ad387567e87f16bd03af04bd6a864f /exec failed with exit code 1

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This pull request was exported from Phabricator. Differential Revision: D78275583

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D78275583