[clang] Reland "[clang][modules] Print library module manifest path." (PR #82160)

[Chuanqi Xu via cfe-commits]

================
@@ -0,0 +1,38 @@
+// Test that -print-library-module-manifest-path finds the correct file.
+
+// REQUIRES: x86-registered-target
----------------
ChuanqiXu9 wrote:

```suggestion
// FIXME: ....
// REQUIRES: x86-registered-target
```

I feel better with a FIXME to remind us to remove this later.

https://github.com/llvm/llvm-project/pull/82160