/usr/lib/x86_64-linux-gnu/libunity-control-center.so is in libunity-control-center-dev 15.04.0+18.04.20180216-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libunity-control-center.so.1.0.0