Update Gaia API documents for #60ce5d737e21b00b3a5133ca45acf62a33a7904e
    Merge pull request #13989 from ian-liu/settings/Bug926334_To_support_EAP-SIM_and_WPA-EAP_option_in_WLAN_settin

Bug 926334 - [Gaia] To support WPA-EAP options(PEAP, TLS, TTLS) and manage certificate in WLAN setting. r=@crh0716