[ET-VK] Introduce no_volk buck targets

[SS-JIA]

Stack from ghstack (oldest at bottom):

• (to be filled)

TSIA. Introduce variants of the vulkan backend buck targets that do not use volk.

Differential Revision: D65827152

[pytorch-bot]

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• [DomainsOnly] Jobs fail with GLIBC version not found

❌ 1 New Failure

As of commit 170b110 with merge base 54899fe ():

NEW FAILURE - The following job has failed:

• Propose to merge ghstack orig PRs to main / Try to create a PR with ghstack /orig branch (gh)
  github.GithubException.GithubException: 404 {"message": "Branch not found", "documentation_url": "https://docs.github.com/rest/branches/branches#get-a-branch", "status": "404"}

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