[MBL-19500][Student] Add expand/collapse functionality to conference groups#3373

kdeakinstructure merged 4 commits intomasterinstructure/canvas-android:masterfrom

MBL-19500-make-conference-groups-expand-collapsableinstructure/canvas-android:MBL-19500-make-conference-groups-expand-collapsableCopy head branch name to clipboard