Fix issue where guts would require bouncer

There is no need to save the priority if we're
just hiding the controls.

Change-Id: I96551c5d806d5cc4e01a82a7e010000dff029505
Fixes: 78222122
Test: manual
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationInfo.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationInfo.java
index 98e9268..2b7ab10 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationInfo.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationInfo.java
@@ -486,6 +486,11 @@
     }
 
     @Override
+    public boolean shouldBeSaved() {
+        return hasImportanceChanged();
+    }
+
+    @Override
     public View getContentView() {
         return this;
     }