[clang] [clang-format] Handle variable declarations in BreakAfterAttributes (PR #71755)

[Michael Kruse via cfe-commits]

Meinersbur wrote:

@owenca  You can run `ninja polly-update-format` which will use the in-tree `clang-format` to reformat all files. `git add` its changes, `git add --amend`, then push.

https://github.com/llvm/llvm-project/pull/71755