/usr/share/apparmor/easyprof/policygroups/opt-application is in apparmor-easyprof 2.11.0-3+deb9u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # Policy group for applications installed in /opt
/opt/@{APPNAME}/ r,
/opt/@{APPNAME}/** mrk,
|