The checkbox is now composed of an `app:buttonCompat` button drawable (the squared icon) and an `app:buttonIcon` icon drawable (the checkmark icon) layered on top of it. The animation has also been updated. PiperOrigin-RevId: 462244130
PiperOrigin-RevId: 257022779
PiperOrigin-RevId: 252709395
PiperOrigin-RevId: 225551505
PiperOrigin-RevId: 194457377
PiperOrigin-RevId: 193236235