@GroupAlertBehavior
    public static int getGroupAlertBehavior(Notification notification) {
        if (Build.VERSION.SDK_INT >= 26) {
            return notification.getGroupAlertBehavior();
        } else {
            return GROUP_ALERT_ALL;
        }
    }
Returns which type of notifications in a group are responsible for audibly alerting the
user. See {@link #GROUP_ALERT_ALL}, {@link #GROUP_ALERT_CHILDREN},
{@link #GROUP_ALERT_SUMMARY}.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/compat/NotificationCompat.java