Ensure SIM bouncer shows

There are cases where the bouncer isn't quite ready
to show due to an initialization race condition.
Reattempt on delay.

Test: atest StatusBarKeyguardViewManagerTest
Bug: 351426938
Flag: com.android.systemui.sim_pin_race_condition_on_restart
Change-Id: I767c7f217001bcfb9c3de73decfd62bd6dbfc42f