[android] Volume keys interception in dispatchKeyEvent

src/android/app/src/main/java/org/yuzu/yuzu_emu/activities/EmulationActivity.kt

@@ -235,6 +235,12 @@ class EmulationActivity : AppCompatActivity(), SensorEventListener {
     }
 
     override fun dispatchKeyEvent(event: KeyEvent): Boolean {
+
+        if (event.keyCode == KeyEvent.KEYCODE_VOLUME_UP ||
+            event.keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
+            return super.dispatchKeyEvent(event)
+        }
+
         val isPhysicalKeyboard = event.source and InputDevice.SOURCE_KEYBOARD == InputDevice.SOURCE_KEYBOARD &&
                                 event.device?.isVirtual == false