/usr/lib/x86_64-linux-gnu/libpulse-simple.so is in libpulse-dev 1:1.1-0ubuntu15.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libpulse-simple.so.0.0.3
/usr/lib/x86_64-linux-gnu/libpulse-simple.so.0.0.3