feat(app-emulation/google-daemon): initial google daemon

This installs the google_daemon to /usr/share/oem/google_daemon. The
service files are not installed but will instead be installed by the
cloud-config.yml
bump(coreos-base/oem-gce): install the google-compute agent
fix(app-emulation/google-daemon): grab a chown fix
fix(app-emulation/google-daemon): patch to use '*' for the passwd