[clang] [clang-format] Handle AttributeMacros in parseRecord() (PR #94189)

[Owen Pan via cfe-commits]

owenca wrote:

> As noted in the issue, I think it should also keep working without the attribute macro. (I'd be fine with the all upper case is a macro heuristic.)

See #124397.

https://github.com/llvm/llvm-project/pull/94189