Update CONTRIBUTING.md (#4113)
Update CONTRIBUTING.md (#4113)


psh/apps-android-commons,domdomegg/apps-android-commons,nicolas-raoul/apps-android-commons,maskaravivek/apps-android-commons,domdomegg/apps-android-commons,domdomegg/apps-android-commons,domdomegg/apps-android-commons,neslihanturan/apps-android-commons,psh/apps-android-commons,neslihanturan/apps-android-commons,commons-app/apps-android-commons,nicolas-raoul/apps-android-commons,nicolas-raoul/apps-android-commons,neslihanturan/apps-android-commons,psh/apps-android-commons,commons-app/apps-android-commons,neslihanturan/apps-android-commons,psh/apps-android-commons,maskaravivek/apps-android-commons,neslihanturan/apps-android-commons,psh/apps-android-commons,maskaravivek/apps-android-commons,nicolas-raoul/apps-android-commons,domdomegg/apps-android-commons,commons-app/apps-android-commons,maskaravivek/apps-android-commons,maskaravivek/apps-android-commons,commons-app/apps-android-commons,commons-app/apps-android-commons