omaha: support using status codes as error values
omaha: support using status codes as error values

marineam/mantle,quantum/coreos-mantle,glevand/coreos--mantle,marineam/mantle,dm0-/mantle,dm0-/mantle,mjg59/mantle,glevand/coreos--mantle,mjg59/mantle,quantum/coreos-mantle