Is your feature request related to a problem? Please describe.
https://developer.android.com/about/versions/15/behavior-changes-15:
https://developer.android.com/develop/ui/views/layout/display-cutout:
The Material Components for Android should be tested in always cutout mode.

Describe the solution you'd like
Add cutout mode preference.

Describe alternatives you've considered
#4006: The cutout mode is set by setting a style.