Fix: DozeUi scheduling alarms causing jank on wakeup

Passing the background handler while instantiating AlarmTimeout class so that all its calls will be executed in background.

Test: Manual
Flag: android.systemui.Flags.dozeuiSchedulingAlarmsBackgroundExecution disabled
Bug: 330492575
Change-Id: Ic8ceeb93c9b5607693807d022dd2376465da99e7
3 files changed