[libc-commits] [libc] [libc][test] Adjust header paths in tests (PR #119623)

[Caslyn Tonelli via libc-commits]

Caslyn wrote:

> Did you happen to spot this via a build breakage, per chance? I don't have any build breakages on my end, but that's making me think I should go investigate why that would be.

Only actually spotted this while adjusting our build targets down stream in Fuchsia to match the /string -> /strings move.

https://github.com/llvm/llvm-project/pull/119623