Fix bug #16896118 SIM cards should ONLY appear in search results for devices with 2+ SIM slots

- add the proper SearchIndexProvider to SimSettings
- allow indexing only an only if showSimCardTile() is true
- add Utils.showSimCardTile()

Change-Id: I5df2284d32f91fa454e1edebf1139d00593138a0

src/com/android/settings/search/SearchIndexableResources.java

@@ -92,7 +92,7 @@ public final class SearchIndexableResources {
         sResMap.put(SimSettings.class.getName(),
                 new SearchIndexableResource(
                         Ranking.getRankForClassName(SimSettings.class.getName()),
-                        R.xml.sim_settings,
+                        NO_DATA_RES_ID,
                         SimSettings.class.getName(),
                         R.drawable.ic_sim_sd));