[clang] [clang][modules] Print library module manifest path. (PR #76451)

[Chuanqi Xu via cfe-commits]

https://github.com/ChuanqiXu9 approved this pull request.

LGTM.

While we need to delete `clang/test/Driver/Inputs/cxx23_modules/usr/lib/x86_64-linux-gnu/libc++.so` and `clang/test/Driver/Inputs/cxx23_modules/usr/lib/x86_64-linux-gnu/modules.json`.

https://github.com/llvm/llvm-project/pull/76451