[ET-VK][15/n] reconcile Dim4D and NchwDim

[yipjustin]

Stack from ghstack (oldest at bottom):

• -> #3489

TSIA.

Differential Revision: D56778340

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/3489

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:white_check_mark: You can merge normally! (2 Unrelated Failures)

As of commit 155b61b60b1af0633c304fbb8e073e441b4547d3 with merge base c001f597f571dcbc06273367c683b716203f10c3 ():

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / unittest / linux (buck2) / linux-job (gh) (trunk failure) backends/arm/test/ops/test_view.py::TestSimpleView::test_view_tosa_BI_2
• pull / unittest / macos (buck2) / macos-job (gh) (trunk failure) backends/arm/test/ops/test_view.py::TestSimpleView::test_view_tosa_BI_2

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This pull request was exported from Phabricator. Differential Revision: D56778340

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D56778340

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D56778340

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D56778340

[facebook-github-bot]

This pull request has been merged in pytorch/executorch@251aa748c7dbd9763f73e9a338c3340428479839.