framework/wifi_manager: support connecting to AP with unknown auth or crypto type
framework/wifi_manager: support connecting to AP with unknown auth or crypto type

If unspecified security mode, we scan AP with same ssid, and choose
the best one with highest rssi value.

davidfather/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,Samsung/TizenRT,Samsung/TizenRT,chanijjani/TizenRT,sunghan-chang/TizenRT,an4967/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,Samsung/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT,davidfather/TizenRT,davidfather/TizenRT,junmin-kim/TizenRT,jsdosa/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,jsdosa/TizenRT,chanijjani/TizenRT,chanijjani/TizenRT,Samsung/TizenRT,jsdosa/TizenRT,chanijjani/TizenRT,an4967/TizenRT,jsdosa/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,davidfather/TizenRT,pillip8282/TizenRT,chanijjani/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,chanijjani/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,Samsung/TizenRT,jeongchanKim/TizenRT,pillip8282/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,davidfather/TizenRT,davidfather/TizenRT,an4967/TizenRT,davidfather/TizenRT,an4967/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,jeongchanKim/TizenRT,junmin-kim/TizenRT,chanijjani/TizenRT,pillip8282/TizenRT