cups: import 1.6.3-1
cups: disable tests

Some of them fail for some reason in our environment, not nice. We might
need to get back to this at some point..
(cherry picked from commit 2cabaa6e6315cdb62e87a3480b631c4f415a0cfa)
cups: remove the usage block_suspend cap from the apparmor profile
(cherry picked from commit dca2fcfcbf8825dcca18768e91317ba0c26e9ccf)
cups: 1.6.3-1+opinsys1