copy auto-group decisions to updates

The rocket runs too late to affect auto-grouping for updates before
the UI reacts to the group change, so make sure it stays the same
until the rocket has an opportunity to reconsider.

Bug: 28517296
Change-Id: I16a0509cac06912c8b3139f06474f312207f9f8c

core/java/android/service/notification/StatusBarNotification.java

@@ -143,8 +143,18 @@ public class StatusBarNotification implements Parcelable {
      * Returns true if this notification is part of a group.
      */
     public boolean isGroup() {
-        if (overrideGroupKey != null || getNotification().getGroup() != null
-                || getNotification().getSortKey() != null) {
+        if (overrideGroupKey != null || isAppGroup()) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Returns true if application asked that this notification be part of a group.
+     * @hide
+     */
+    public boolean isAppGroup() {
+        if (getNotification().getGroup() != null || getNotification().getSortKey() != null) {
             return true;
         }
         return false;

packages/ExtServices/src/android/ext/services/notification/Ranker.java

@@ -59,7 +59,7 @@ public final class Ranker extends NotificationRankerService {
         if (DEBUG) Log.i(TAG, "POSTED " + sbn.getKey());
         try {
             List<String> notificationsToBundle = new ArrayList<>();
-            if (!sbn.isGroup()) {
+            if (!sbn.isAppGroup()) {
                 // Not grouped by the app, add to the list of notifications for the app;
                 // send bundling update if app exceeds the autobundling limit.
                 synchronized (mUnbundledNotifications) {

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

@@ -2948,7 +2948,7 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
     }
 
     public void topAppWindowChanged(boolean showMenu) {
-        if (DEBUG) {
+        if (SPEW) {
             Log.d(TAG, (showMenu?"showing":"hiding") + " the MENU button");
         }
         if (mNavigationBarView != null) {

services/core/java/com/android/server/notification/NotificationRecord.java

@@ -176,6 +176,9 @@ public final class NotificationRecord {
         mRankingTimeMs = calculateRankingTimeMs(previous.getRankingTimeMs());
         mCreationTimeMs = previous.mCreationTimeMs;
         mVisibleSinceMs = previous.mVisibleSinceMs;
+        if(previous.sbn.getOverrideGroupKey() != null) {
+            sbn.setOverrideGroupKey(previous.sbn.getOverrideGroupKey());
+        }
         // Don't copy importance information or mGlobalSortKey, recompute them.
     }