Closed tabs removed from layout.

TabHost sets closed tabs visibility to GONE instead of INVISIBLE, so that they are no
longer considered by the layout.

Change-Id: I74efea13d43e3c7ce21476c7bbcb3bb1cca8bf29

core/java/android/widget/TabHost.java

@@ -16,6 +16,8 @@
 
 package android.widget;
 
+import com.android.internal.R;
+
 import android.app.LocalActivityManager;
 import android.content.Context;
 import android.content.Intent;
@@ -33,8 +35,6 @@ import android.view.Window;
 import java.util.ArrayList;
 import java.util.List;
 
-import com.android.internal.R;
-
 /**
  * Container for a tabbed window view. This object holds two children: a set of tab labels that the
  * user clicks to select a specific tab, and a FrameLayout object that displays the contents of that
@@ -624,7 +624,7 @@ mTabHost.addTab(TAB_TAG_1, "Hello, world!", "Tab 1");
         }
 
         public void tabClosed() {
-            mTabContent.setVisibility(View.INVISIBLE);
+            mTabContent.setVisibility(View.GONE);
         }
     }