[clang] Rework the printing of attributes (PR #87281)

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

And `final` as well as `override`? (This is why I'm not convinced we should be backporting anything -- the problem is with printing in general and will crop up in various places, so we're not really fixing a regression so much as playing whack-a-mole with a few cases.) 

https://github.com/llvm/llvm-project/pull/87281