[Snackbar] Update documentation on default. #8736
[Snackbar] Update documentation on default. #8736

Default has changed to NO, but the documentation wasn't updated. Updating it to reflect the correct value.
material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios