Fix issue #4592768: Xoom display does not resize when...

...plugging in HDMI cable connected to a HDMI monitor

Change-Id: If3394e972131aa5124db2d1abf23b2214512773a

packages/SystemUI/src/com/android/systemui/statusbar/tablet/HeightReceiver.java

@@ -76,7 +76,7 @@ public class HeightReceiver extends BroadcastReceiver {
         int height = -1;
         if (plugged) {
             final DisplayMetrics metrics = new DisplayMetrics();
-            mWindowManager.getDefaultDisplay().getMetrics(metrics);
+            mWindowManager.getDefaultDisplay().getRealMetrics(metrics);
             //Slog.i(TAG, "setPlugged: display metrics=" + metrics);
             final int shortSide = Math.min(metrics.widthPixels, metrics.heightPixels);
             height = shortSide - 720;