Revert^2 "Prevent calls into IStatusBarService if they come from visible background users"

This reverts commit 218a42f6.

Reason for revert: Rolling forward with fix

Bug: 384668668
Bug: 332222893
Flag: EXEMPT bug fix
Test: Tested on sdk_car_md emulator
Test: atest --user-type secondary_user_on_secondary_display android.server.wm.insets.WindowInsetsControllerTests
Change-Id: Ifb6baabacb87b0ad5bdd39969a0e3b0d8e7bb083