[llvm] [libc][bazel] Add bazel targets for libc/include/... tests. (PR #141150)

[Alexey Samsonov via llvm-commits]

https://github.com/vonosmas approved this pull request.

The change looks good after addressing the comment below. Let me know if you'd like to merge this for you.

Thank you for working on this!

https://github.com/llvm/llvm-project/pull/141150