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/bubbles/BubbleExpandedView.java b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java
index 6f953d5..1d9f6b2 100644
--- a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java
+++ b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleExpandedView.java
@@ -501,7 +501,7 @@
         if (id == R.id.settings_button) {
             Intent intent = mBubble.getSettingsIntent();
             mStackView.collapseStack(() -> {
-                mContext.startActivityAsUser(intent, mBubble.getEntry().notification.getUser());
+                mContext.startActivityAsUser(intent, mBubble.getEntry().getSbn().getUser());
                 logBubbleClickEvent(mBubble,
                         StatsLog.BUBBLE_UICHANGED__ACTION__HEADER_GO_TO_SETTINGS);
             });
@@ -609,7 +609,7 @@
      * @param action the user interaction enum.
      */
     private void logBubbleClickEvent(Bubble bubble, int action) {
-        StatusBarNotification notification = bubble.getEntry().notification;
+        StatusBarNotification notification = bubble.getEntry().getSbn();
         StatsLog.write(StatsLog.BUBBLE_UI_CHANGED,
                 notification.getPackageName(),
                 notification.getNotification().getChannelId(),