Make pressing dpad open local suggestions.

Previously, pressing the dpad didn't do anything for local business suggestions (though it did work for web suggestions). Not sure why.

Change-Id: I707ef4efac0addc8a2fdbabeaebfb9ffff08a669
diff --git a/src/com/android/quicksearchbox/SearchActivity.java b/src/com/android/quicksearchbox/SearchActivity.java
index 46c708e..e532bb5 100644
--- a/src/com/android/quicksearchbox/SearchActivity.java
+++ b/src/com/android/quicksearchbox/SearchActivity.java
@@ -597,7 +597,9 @@
 
     protected boolean onSuggestionKeyDown(int position, int keyCode, KeyEvent event) {
         // Treat enter or search as a click
-        if (keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_SEARCH) {
+        if (       keyCode == KeyEvent.KEYCODE_ENTER
+                || keyCode == KeyEvent.KEYCODE_SEARCH
+                || keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
             return launchSuggestion(position);
         }