Do not clear HUNs when device wakes up

Fixes: 277936657
Test: send FSI HUN on AOD, tap to show lockscreen => HUN layout
Change-Id: I710a64ae735b11f8ef5c1bcdf8d8a03ea32e4604

packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java

@@ -3648,9 +3648,6 @@ public class CentralSurfacesImpl implements CoreStartable, CentralSurfaces {
                         /* wakingUp= */ true,
                         mShouldDelayWakeUpAnimation);
 
-                if (!mKeyguardBypassController.getBypassEnabled()) {
-                    mHeadsUpManager.releaseAllImmediately();
-                }
                 updateVisibleToUser();
                 updateIsKeyguard();
                 mDozeServiceHost.stopDozing();