Animate QS when turning off screen

Change-Id: Iee94d776c3b815eb65805dd568789eb35d62b328
Fixes: 112166513
Test: manual
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java
index 8f552e3..92a9efe 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/DozeParameters.java
@@ -40,6 +40,8 @@
     public static final String DOZE_SENSORS_WAKE_UP_FULLY = "doze_sensors_wake_up_fully";
     public static final boolean FORCE_NO_BLANKING =
             SystemProperties.getBoolean("debug.force_no_blanking", false);
+    public static final boolean FORCE_BLANKING =
+            SystemProperties.getBoolean("debug.force_blanking", false);
 
     private static IntInOutMatcher sPickupSubtypePerformsProxMatcher;
     private static DozeParameters sInstance;
@@ -183,7 +185,7 @@
      * @return {@code true} if screen needs to be completely black before a power transition.
      */
     public boolean getDisplayNeedsBlanking() {
-        return !FORCE_NO_BLANKING && mContext.getResources().getBoolean(
+        return FORCE_BLANKING || !FORCE_NO_BLANKING && mContext.getResources().getBoolean(
                 com.android.internal.R.bool.config_displayBlanksAfterDoze);
     }