Customer/EventListener/CustomerAddressListener.php
public function onUpdate(ResourceEventInterface $event)
    {
        $address = $this->getAddressFromEvent($event);

        $this->fixInvoiceDefault($address);
        $this->fixDeliveryDefault($address);
    }
public function onUpdate(ResourceEventInterface $event)
    {
        $address = $this->getAddressFromEvent($event);

        $this->fixInvoiceDefault($address);
        $this->fixDeliveryDefault($address);
    }
Update event handler.

@param ResourceEventInterface $event