Guarantees that the primary/secondary animator providers are initialized up front, which allows us to simplify the getters/setters to not have an initialization side-effect
PiperOrigin-RevId: 309435463
(cherry picked from commit ae7177d9de9032cb071126dd0d738387034385f3)
- Add initialization check for secondary animator provider in MaterialVisibility so subclasses no longer need to explicitly call MaterialVisibility#initialize.
PiperOrigin-RevId: 308687877
(cherry picked from commit e63cae59fb71b580399ab7479697b5493f7a9dd1)