[libcxx-commits] [libcxxabi] [libc++abi][libc][test] Use LLVM-libc headers in LLVM-libc config (PR #194665)

[Alexey Samsonov via libcxx-commits]

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

Do we need libc++ reviewers approval for changes to buildbot configs, or the one from @boomanaiden154 should be enough? Also, could you please ensure the commit description would be more detailed?

https://github.com/llvm/llvm-project/pull/194665