AppletOE: Make ISelfController keep a reference to nvflinger.

It'll be needed when we implement CreateManagedDisplayLayer.

src/core/hle/service/am/am.h

@@ -4,13 +4,19 @@
 
 #pragma once
 
+#include <memory>
 #include "core/hle/service/service.h"
 
 namespace Service {
+namespace NVFlinger {
+class NVFlinger;
+}
+
 namespace AM {
 
 /// Registers all AM services with the specified service manager.
-void InstallInterfaces(SM::ServiceManager& service_manager);
+void InstallInterfaces(SM::ServiceManager& service_manager,
+                       std::shared_ptr<NVFlinger::NVFlinger> nvflinger);
 
 } // namespace AM
 } // namespace Service