Ensure that handles are hidden and stay hidden when not fully awake

Previously handles used either the wakefulness lifecycle or the doze
state to determine whether to hide the handles. This change makes them
use both and hides if either signal indicates that the phone is not
fully awake.

Test: atest google/perf/jank/SystemUI/UbSystemUIJankTests-Lock:android.platform.systemui.tests.jank.SystemUiJankTests#testUnlock -v
Test: atest AssistHandleLikeHomeBehaviorTest
BUG:141219006
Change-Id: Iedbf5421c369440a3170f1a0b1add66bd289ec7a