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

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

The build is still failing, so I've reverted these changes in https://github.com/llvm/llvm-project/commit/82f424f766be00b037a706a835d0a0663a2680f1

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