Adds the Azure guest agent plugin which configures the
WindowsAzureGuestAgent, WindowsAzureTelemetryService and
RdAgent services.
Change-Id: I713c2b17bb083767272cefa2bf517ff1a0cbb992
Co-Authored-By: Stefan Caraiman <scaraiman@cloudbasesolutions.com>
Implements: blueprint add-azure-guest-plugin