contint: libs to build udp-filters

The analytics `udp-filters` package needs headers for the libanon and
libcidr to be build.  Since we have them in our apt repository, keep
them up to date on gallium which will ensure the udp-filters will run
fine on production.

Change-Id: Ia53315c3f08cb73355a5603e16930773026afefa
Merge "contint: libs to build udp-filters" into production