Android: Fixed ignoring a return value while handling motion events.

This should not have caused problems yet because the return value was identical.

android-project/src/org/libsdl/app/SDLActivity.java

@@ -1641,8 +1641,7 @@ class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
             case InputDevice.SOURCE_JOYSTICK:
             case InputDevice.SOURCE_GAMEPAD:
             case InputDevice.SOURCE_DPAD:
-                SDLActivity.handleJoystickMotionEvent(event);
-                return true;
+                return SDLActivity.handleJoystickMotionEvent(event);
 
             case InputDevice.SOURCE_MOUSE:
                 action = event.getActionMasked();