if native field is not open, we just report height, do not include na…

…tiveInput height adjustments

backends/gdx-backend-android/src/com/badlogic/gdx/backends/android/DefaultAndroidInput.java

@@ -702,7 +702,7 @@ public void onKeyboardHeightChanged (int height, int leftInset, int rightInset,
 			height += getSoftButtonsBarHeight();
 		}
 
-		if (relativeLayoutField == null) {
+		if (!isNativeInputOpen()) {
 			if (observer != null) observer.onKeyboardHeightChanged(height);
 			return;
 		}