[ParseableInterface] Respect -track-system-dependencies with -build-module-from-parseable-interface

Updates the subinvocation that builds the parseable interface to respect the
-track-system-dependencies flag of the top-level invocation if present, by
including system dependencies in the produced .swiftmodule.

include/swift/Frontend/ParseableInterfaceModuleLoader.h

@@ -156,7 +156,7 @@ public:
   static bool buildSwiftModuleFromSwiftInterface(
     ASTContext &Ctx, StringRef CacheDir, StringRef PrebuiltCacheDir,
     StringRef ModuleName, StringRef InPath, StringRef OutPath,
-    bool SerializeDependencyHashes);
+    bool SerializeDependencyHashes, bool TrackSystemDependencies);
 };
 
 /// Extract the specified-or-defaulted -module-cache-path that winds up in