Protocol intented for use by regular XDG application which want to
tell the compositor to activate another application. This mimics
the activate_app request from agl-shell, and assumes the application is
already started.
Bug-AGL: SPEC-3252
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Change-Id: I1f7bd1d8d2f7d8f1eedf710aef1bf1046846f9be