Expose scrollToItem:animated: to resolve rotation bug in MDCTabBarView.
Expose scrollToItem:animated: to resolve rotation bug in MDCTabBarView.

PiperOrigin-RevId: 382695044

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