zeroconf: allow Zeroconf service name to be overridden in service
zeroconf: allow Zeroconf service name to be overridden in service

The service owning a zeroconf task can set ZEROCONF_SERVICE_NAME
attribute to override a default name set by zeroconf module.

Change-Id: I494612e6e705474f2431d132fbbb6a60c296c9fb

open-rnd/ros3d-dev-controller