code: public static byte[] analogReport(boolean enable) {
          byte[] result = new byte[32];
          byte flag = (byte) (enable ? 1 : 0);
          for (byte i = 0, j = 0; i < 16; i++) {
              result[j++] = (byte) (REPORT_ANALOG | i);
              result[j++] = flag;
          }
          return result;
      }
docs: Builds message to enable or disable reporting from Firmata device on
  change of analog input.
  
  @param enable message enables analog reporting if true and disable if
  false
  @return message that enables or disables analog reporting