Android: Add missing advanced settings tab

android/app/src/main/java/com/github/stenzek/duckstation/SettingsActivity.java

@@ -113,7 +113,7 @@ public class SettingsActivity extends AppCompatActivity {
 
         @Override
         public int getItemCount() {
-            return 5;
+            return 6;
         }
     }
 }