Use the same template for service commands.

Instead of using a custom template language for
the service commands just use the already existing
and used templating style that we are using elsewhere
that takes advantage of the cheetah library to do the
templates.

Change-Id: Ib9720e3f31a48e01c6114e6d57e1e3a27320a638
Merge "Use the same template for service commands."