Encapsulate NotifEntry.key and .notification

NotificationEntry.key -> getKey()
NotificationEntry.notification -> getSbn()

.key -> mKey
.notification -> mSbn

Test: atest
Change-Id: Idcc56af5d941d600b2958afb9ed898fd7ab361cc
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationUiAdjustment.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationUiAdjustment.java
index 266fe8d..564d8bc 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationUiAdjustment.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationUiAdjustment.java
@@ -54,7 +54,7 @@
     public static NotificationUiAdjustment extractFromNotificationEntry(
             NotificationEntry entry) {
         return new NotificationUiAdjustment(
-                entry.key, entry.getSmartActions(), entry.getSmartReplies());
+                entry.getKey(), entry.getSmartActions(), entry.getSmartReplies());
     }
 
     public static boolean needReinflate(