Fix for public image project ubuntu-os-cloud for image ubuntu-1804-lts
Fix for public image project ubuntu-os-cloud for image ubuntu-1804-lts

Signed-off-by: Kapil Chouhan <ced78e161d2856d4c3f7e89f5dc67b3842b00d08@msystechnologies.com>

ClogenyTechnologies/knife-google,chef/knife-google,chef/knife-google