The package libvirt-bin is a transitional package in Debian and should
not be used anymore.

Ubuntu Xenial is an exception here.

Because of that this change also adds the possibility to use "not:" to
exclude distros in files/debs/* just as "dist:" limits distros.

Depends-On: Icc59ea79f54d4ff8751f2e353ee3530fff3d961e
Closes-Bug: #1673840
Change-Id: I3998a7178d14ec40eae5cb199d66da9546cd6ccf