The goal of this commit is to create a single non-voting
gate-trove-functional-mysql-ubuntu-xenial job that will only run in
the master branch of the trove project. It will be used to verify a
change that will make it possible to run the trove CI jobs for master
on xenial nodes.
Change-Id: Ibc0ac0ae205a748ffaa7fb4c8e4305d75515aae1
09d41349cc