private static Object[] getActionObjectsLocked(Notification notif) {
        synchronized (sActionsLock) {
            if (!ensureActionReflectionReadyLocked()) {
                return null;
            }
            try {
                return (Object[]) sActionsField.get(notif);
            } catch (IllegalAccessException e) {
                Log.e(TAG, "Unable to access notification actions", e);
                sActionsAccessFailed = true;
                return null;
            }
        }
    }
Get the extras Bundle from a notification using reflection. Extras were present in
Jellybean notifications, but the field was private until KitKat.
android/android_framework/base/src/main/java/github/tornaco/android/thanos/core/compat/NotificationCompatJellybean.java