Redraw search autocomplete dropdown after config change.

This ensures the dropdown is redrawn after changing
from landscape to portrait mode, for example.

Change-Id: I71f4425d1df789faf34d20dd30b3a5c64b5caec3

core/java/android/app/SearchDialog.java

@@ -498,6 +498,7 @@ public class SearchDialog extends Dialog implements OnItemClickListener, OnItemS
             updateSearchAppIcon();
             updateSearchBadge();
             updateQueryHint();
+            mSearchAutoComplete.showDropDownAfterLayout();
         } 
     }