Simplify scrimmed bouncer condition

Similar logic existed in StatusBar and StatusBarKeyguardViewManager,
this can lead to errors since it's easy to update one place and forget
about the other.

Test: go/sysui-bouncer-tests
Test: force simPin security mode
Change-Id: I4a22cba5144844cf982f259da13db0c8effbeae6
2 files changed