/usr/lib/x86_64-linux-gnu/libhybris-hwcomposerwindow.so is in libhybris-dev 0.1.0+git20151016+6d424c9-0ubuntu7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libhybris-hwcomposerwindow.so.1.0.0