Use new Signal logo for more notifications.

app/src/main/java/org/thoughtcrime/securesms/messages/BackgroundMessageRetriever.java

@@ -60,7 +60,7 @@ public boolean retrieveMessages(@NonNull Context context, long showNotificationA
     }
 
     synchronized (this) {
-      try (DelayedNotificationController controller = GenericForegroundService.startForegroundTaskDelayed(context, context.getString(R.string.BackgroundMessageRetriever_checking_for_messages), showNotificationAfterMs)) {
+      try (DelayedNotificationController controller = GenericForegroundService.startForegroundTaskDelayed(context, context.getString(R.string.BackgroundMessageRetriever_checking_for_messages), showNotificationAfterMs, R.drawable.ic_signal_refresh)) {
         PowerManager.WakeLock wakeLock = null;
 
         try {

app/src/main/java/org/thoughtcrime/securesms/service/GenericForegroundService.java

@@ -126,8 +126,8 @@ public IBinder onBind(Intent intent) {
    * <p>
    * The delayed notification controller can also shown on demand and promoted to a regular notification controller to update the message etc.
    */
-  public static DelayedNotificationController startForegroundTaskDelayed(@NonNull Context context, @NonNull String task, long delayMillis) {
-    return DelayedNotificationController.create(delayMillis, () -> startForegroundTask(context, task));
+  public static DelayedNotificationController startForegroundTaskDelayed(@NonNull Context context, @NonNull String task, long delayMillis, @DrawableRes int iconRes) {
+    return DelayedNotificationController.create(delayMillis, () -> startForegroundTask(context, task, DEFAULTS.channelId, iconRes));
   }
 
   public static NotificationController startForegroundTask(@NonNull Context context, @NonNull String task) {