BugID:17646749:[mqtt]set reconnect max interval to 16s
#define IOTX_MC_RECONNECT_INTERVAL_MIN_MS (1000)
/* Maximum interval of MQTT reconnect in millisecond */
-#define IOTX_MC_RECONNECT_INTERVAL_MAX_MS (60000)
+#define IOTX_MC_RECONNECT_INTERVAL_MAX_MS (16000)
/* Minimum timeout interval of MQTT request in millisecond */
#define IOTX_MC_REQUEST_TIMEOUT_MIN_MS (500)
