When filling the RecyclerView, views need to be added at the correct index (either begginning or end) depending on the direction of fill.
PiperOrigin-RevId: 513510079
Calculating end scroll offset was using the distance between the last child and the last focal keyline. When the last child came before the last keyline, an unexpected scroll offset was returned. This also adds a dropdown to the catalog demo to allow setting the number of items in the carousel.
PiperOrigin-RevId: 508739119
This removes CenteredCarouselConfigration and its superclass MultibrowseCarouselConfiguration and renames StartCarouselConfiguration to MultiBrowseCarouselConfiguration.
PiperOrigin-RevId: 506424085
