[Travis] Adding iPhone 5s, 8.1 simulator. (#1580)
[Travis] Adding iPhone 5s, 8.1 simulator. (#1580)


randallli/material-components-ios,willlarche/material-components-ios,randallli/material-components-ios,material-components/material-components-ios,brianjmoore/material-components-ios,samnm/material-components-ios,brianjmoore/material-components-ios,willlarche/material-components-ios,Eccelor/material-components-ios,willlarche/material-components-ios,sigito/material-components-ios,Eccelor/material-components-ios,material-components/material-components-ios,randallli/material-components-ios,sigito/material-components-ios,material-components/material-components-ios,samnm/material-components-ios,brianjmoore/material-components-ios,sigito/material-components-ios,samnm/material-components-ios,randallli/material-components-ios,randallli/material-components-ios,samnm/material-components-ios,sigito/material-components-ios,Eccelor/material-components-ios,material-components/material-components-ios,willlarche/material-components-ios,randallli/material-components-ios,willlarche/material-components-ios,brianjmoore/material-components-ios,Eccelor/material-components-ios,sigito/material-components-ios,brianjmoore/material-components-ios,Eccelor/material-components-ios,samnm/material-components-ios,material-components/material-components-ios