Do not show bouncer when fading away

Change-Id: I2d09a84ec7cda04dab3095f16f3c6e3acd425c76
Fixes: 76035580
Test: atest packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/KeyguardBouncerTest.java
Test: double tap on notification, dismiss bouncer
Test: swipe up, dismiss bouncer
Test: go to emergency dialer, hit back
Test: fp from lock screen
Test: fp from AOD