zuul: statsd sent to tungsten.eqiad.wmnet

Zuul has build in support for statsd.  tungsten.eqiad.wmnet is being
installed statsd, as soon as this patch is merged and Zuul is restarted,
it will emit events to statsd :-)

Change-Id: I1dd4b24e71f7aced00d97696133ec99407506968
Merge "zuul: statsd sent to tungsten.eqiad.wmnet" into production