trivial: Add cd-transform to colord.h
Move the vendor quirk table to libcolordprivate so it can be used with cd-find-broken

This way we don't list the same vendor multiple times.
session-helper: Increase the delay between patches for hardware that is slow

200ms just isn't enough on some hardware. Also, make this a GSettings key in
case we need to change it in the future.

Hopefully resolves: https://bugzilla.gnome.org/show_bug.cgi?id=699250