Create GCE-CVM and GKE-GCI 1.6->1.5 downgrade jobs
Create GCE-CVM and GKE-GCI 1.6->1.5 downgrade jobs

GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid