Ensure feature is supported and enabled.

    @Override

    public int getAvailabilityStatus() {

        // Check if Face for Profile is available.

        final int isAvailable = super.getAvailabilityStatus();

        if (isAvailable != AVAILABLE) {

            return isAvailable;

        }

        // Make the profile unsearchable so the user preference controller gets highlighted

        // when searched for.

        return AVAILABLE_UNSEARCHABLE;