core: Port all current usages of Event to Readable/WritableEvent

src/core/hle/service/nvdrv/interface.h

@@ -5,10 +5,13 @@
 #pragma once
 
 #include <memory>
-#include "core/hle/kernel/event.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/service.h"
 
+namespace Kernel {
+class WritableEvent;
+}
+
 namespace Service::Nvidia {
 
 class NVDRV final : public ServiceFramework<NVDRV> {
@@ -31,7 +34,7 @@ private:
 
     u64 pid{};
 
-    Kernel::SharedPtr<Kernel::Event> query_event;
+    Kernel::SharedPtr<Kernel::WritableEvent> query_event;
 };
 
 } // namespace Service::Nvidia