[clang] [clang][DependencyScanning] Track modules that resolve from sysroot. (PR #130634)

[Cyndy Ishida via cfe-commits]

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@@ -843,7 +864,7 @@ void ModuleDepCollectorPP::addModuleDep(
         !MDC.isPrebuiltModule(Import)) {
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cyndyishida wrote:

Added a test for this, modified from the working patch. https://github.com/llvm/llvm-project/pull/130634/files#diff-06c3b647f63ed03628260e6d6c1e679990852e445d03dd60d4466248c1f32a5a

https://github.com/llvm/llvm-project/pull/130634