Move setHasTopUi to the background

This call was responsible for 0.8% of all SysUI ANRs in the field.
It should happen asynchronously in the background.

Fixes: 297216344
Test: atest BubblesTest NotificationShadeWindowControllerImpl
KeyguardViewMediatorTest
Merged-In: Ib29c49e5dca9f33e755be4f2a38deacaa1d344e3
Change-Id: Ib29c49e5dca9f33e755be4f2a38deacaa1d344e3
4 files changed