/usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so is in libegl1-mesa-dev 8.0.4-0ubuntu0.6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
/usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1