Support multichannel builds.
Support multichannel builds.

Change-Id: I3c4b4022629317149518622d7c7a0f71b4dce1ed

SAGROUP2/apps-android-wikipedia,wikimedia/apps-android-wikipedia,Wikinaut/wikipedia-app,parvez3019/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,creaITve/apps-android-tbrc-works,wikimedia/apps-android-wikipedia,SAGROUP2/apps-android-wikipedia,parvez3019/apps-android-wikipedia,Wikinaut/wikipedia-app,Wikinaut/wikipedia-app,reproio/apps-android-wikipedia,Wikinaut/wikipedia-app,carloshwa/apps-android-wikipedia,Duct-and-rice/KrswtkhrWiki4Android,Duct-and-rice/KrswtkhrWiki4Android,wikimedia/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,reproio/apps-android-wikipedia,Duct-and-rice/KrswtkhrWiki4Android,wikimedia/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,dbrant/apps-android-wikipedia,anirudh24seven/apps-android-wikipedia,Wikinaut/wikipedia-app,reproio/apps-android-wikipedia,carloshwa/apps-android-wikipedia,dbrant/apps-android-wikipedia,carloshwa/apps-android-wikipedia,parvez3019/apps-android-wikipedia,creaITve/apps-android-tbrc-works,creaITve/apps-android-tbrc-works,anirudh24seven/apps-android-wikipedia,BrunoMRodrigues/apps-android-tbrc-work,carloshwa/apps-android-wikipedia,reproio/apps-android-wikipedia,BrunoMRodrigues/apps-android-tbrc-work,SAGROUP2/apps-android-wikipedia,Duct-and-rice/KrswtkhrWiki4Android,SAGROUP2/apps-android-wikipedia,carloshwa/apps-android-wikipedia,BrunoMRodrigues/apps-android-tbrc-work,dbrant/apps-android-wikipedia,creaITve/apps-android-tbrc-works,parvez3019/apps-android-wikipedia,Duct-and-rice/KrswtkhrWiki4Android,reproio/apps-android-wikipedia,BrunoMRodrigues/apps-android-tbrc-work,parvez3019/apps-android-wikipedia