[코드리뷰용, 머지 금지]#6

jinsu4755 wants to merge 7 commits into

kimdahyeeppandroidplus/Data_Binding-LiveData-ViewModel:kimdahyeefrom

kimdahyee_step1_by_stepppandroidplus/Data_Binding-LiveData-ViewModel:kimdahyee_step1_by_stepCopy head branch name to clipboard