apparmor: allow bluetoothd rw access to /dev/hidraw children

/dev/hidraw child nodes are accessed when attempting out-of-band USB pairing in some devices, for instance sixaxis controllers.

If accepted, how can this be backported into v2020?

upstream PR: https://github.com/nibags/apparmor-profiles/pull/1 Signed-off-by: Christopher Obbard chris.obbard@collabora.com