[SKCP-103] Added getChannelList to Android src.
[SKCP-103] Added getChannelList to Android src.

InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin,InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin,InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin