/usr/lib/libg15daemon_client.so is in libg15daemon-client-dev 1.9.5.3-8.2ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libg15daemon_client.so.1.0.2
/usr/lib/libg15daemon_client.so.1.0.2