code: public static String[] appendSelectionArgs(String[] originalValues, String[] newValues) {
          if (originalValues == null || originalValues.length == 0) {
              return newValues;
          }
          String[] result = new String[originalValues.length + newValues.length ];
          System.arraycopy(originalValues, 0, result, 0, originalValues.length);
          System.arraycopy(newValues, 0, result, originalValues.length, newValues.length);
          return result;
      }
docs: Appends one set of selection args to another. This is useful when adding a selection
  argument to a user provided set.