[clang] [clang-format] Don't annotate class property specifiers as StartOfName (PR #153525)

[via cfe-commits]

llvmbot wrote:

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Failed to cherry-pick: 9a692e0f94a99abea781397da5629336c74e8f8e

https://github.com/llvm/llvm-project/actions/runs/17025259697

Please manually backport the fix and push it to your github fork.  Once this is done, please create a [pull request](https://github.com/llvm/llvm-project/compare)

https://github.com/llvm/llvm-project/pull/153525