Add YouTube play icon to video thumbnail if thumbnail exists#76

RuNpiXelruN wants to merge 2 commits intoGoogleWebComponents:masterGoogleWebComponents/google-youtube:masterfrom

RuNpiXelruN:feature/add-play-icon-to-thumbnailsRuNpiXelruN/google-youtube:feature/add-play-icon-to-thumbnailsCopy head branch name to clipboard