Android: Get game metadata from core

Trying to get it from a GameFile before emulation starts is unreliable.

Source/Android/jni/AndroidCommon/IDCache.h

@@ -16,6 +16,7 @@ jclass GetNativeLibraryClass();
 jmethodID GetDisplayAlertMsg();
 jmethodID GetDoRumble();
 jmethodID GetUpdateTouchPointer();
+jmethodID GetOnTitleChanged();
 
 jclass GetAnalyticsClass();
 jmethodID GetSendAnalyticsReport();