Dialer: InCallUI display as black after exit split screen

-InCallUI screen is black after exiting multiWindow mode
 it is because of calling onConfigureChanged that does
 not recreate activity
-Add to Overrride onMultiWindowModeChanged to recreate Activity
 to avoid black screen when MultiWindowMode Changed.

CRs-Fixed: 1103933
Change-Id: I2a6ad33373bbfe26388fb523dd06d96640c30fee
diff --git a/InCallUI/src/com/android/incallui/InCallActivity.java b/InCallUI/src/com/android/incallui/InCallActivity.java
index 4598d3c..81c19a4 100644
--- a/InCallUI/src/com/android/incallui/InCallActivity.java
+++ b/InCallUI/src/com/android/incallui/InCallActivity.java
@@ -342,6 +342,13 @@
         InCallPresenter.getInstance().updatePrimaryCallState();
     }
 
+    @Override
+    public void onMultiWindowModeChanged(boolean isInMultiWindowMode) {
+        super.onMultiWindowModeChanged(isInMultiWindowMode);
+        Log.i(this, "recreate()...");
+        recreate();
+    }
+
     // onPause is guaranteed to be called when the InCallActivity goes
     // in the background.
     @Override