added change for BottomSheet
added change for BottomSheet

randallli/material-components-ios,sigito/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,randallli/material-components-ios,sigito/material-components-ios,sigito/material-components-ios,randallli/material-components-ios,randallli/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,randallli/material-components-ios,sigito/material-components-ios,sigito/material-components-ios,randallli/material-components-ios