Update search query results when messages disappear.

Previously, if a message disappeared while looking at it in the search
results, it'd still stick around. Now they'll disappear from the results
in real-time.

src/org/thoughtcrime/securesms/database/SearchDatabase.java

@@ -83,7 +83,9 @@ public class SearchDatabase extends Database {
 
     String prefixQuery = query + '*';
 
-    return db.rawQuery(MESSAGES_QUERY, new String[] { prefixQuery, prefixQuery });
+    Cursor cursor = db.rawQuery(MESSAGES_QUERY, new String[] { prefixQuery, prefixQuery });
+    setNotifyConverationListListeners(cursor);
+    return cursor;
   }
 }