/usr/share/accountsservice/interfaces/com.ubuntu.location.providers.here.AccountsService.xml is in ubuntu-location-provider-here 0.1+15.10.20150601.3-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/accountsservice/interfaces/../../dbus-1/interfaces/com.ubuntu.location.providers.here.AccountsService.xml