fix README.md
fix README.md

mkodekar/android-open-project-demo,bajian/android-open-project-demo,yuanhuihui/android-open-project-demo,mkodekar/android-open-project-demo,andych008/android-open-project-demo,skyacer/android-open-project-demo,bajian/android-open-project-demo,yuanhuihui/android-open-project-demo,andych008/android-open-project-demo,skyacer/android-open-project-demo