/usr/share/doc/address-book-app/changelog.Debian.gz is in address-book-app 0.2+14.04.20140408.3-0ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/address-book-app/../qtdeclarative5-ubuntu-contacts0.1/changelog.Debian.gz