[clang] [clang-tools-extra] thread-safety: Support the new capability-based names for all related attributes. (PR #99919)

[Aaron Puchert via cfe-commits]

https://github.com/aaronpuchert commented:

Otherwise looks good to me. The old terminology is still heavily used internally, but I found the code still readable, so I don't think we need to rewrite all of it.

https://github.com/llvm/llvm-project/pull/99919