Push scrollbars to screen edges.

Push scrollbar to screen edges on custom ListView and ScrollViews to
match Preferences framework behavior.

Bug: 7633165
Change-Id: Ideecd0e243c7de7bf977caef2b1585e707a00ca4

src/com/android/settings/ZonePicker.java

@@ -23,10 +23,12 @@ import android.content.Context;
 import android.content.res.XmlResourceParser;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.ListView;
 import android.widget.SimpleAdapter;
 
@@ -154,6 +156,15 @@ public class ZonePicker extends ListFragment {
         setHasOptionsMenu(true);
     }
 
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        final View view = super.onCreateView(inflater, container, savedInstanceState);
+        final ListView list = (ListView) view.findViewById(android.R.id.list);
+        Utils.forcePrepareCustomPreferencesList(container, view, list, false);
+        return view;
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         menu.add(0, MENU_ALPHABETICAL, 0, R.string.zone_list_menu_sort_alphabetically)