/usr/share/apparmor/hardware/graphics.d/apparmor-easyprof-ubuntu_manta is in apparmor-easyprof-ubuntu 1.1.16.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # Nexus 10 (manta)
/dev/mali[0-9] rw,
/dev/ion rw,
|