/usr/lib/x86_64-linux-gnu/libbrlapi.so is in libbrlapi-dev 5.5-4ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/x86_64-linux-gnu/libbrlapi.so.0.6
/lib/x86_64-linux-gnu/libbrlapi.so.0.6