Implemented dbus service and client skeletons.

BUG=chromium:254742
TEST=manual, unit

Change-Id: Id3ef01952bdcebc0c052883d287d4119b2ecb5e9
Reviewed-on: https://gerrit.chromium.org/gerrit/61343
Commit-Queue: Darren Krahn <dkrahn@chromium.org>
Reviewed-by: Darren Krahn <dkrahn@chromium.org>
Tested-by: Darren Krahn <dkrahn@chromium.org>
14 files changed