k8s: storage -- make it so update-snapshot returns list of project-id’s that were updated
k8s: storage -- make it so update-snapshot returns list of project-id’s that were updated

tscholl2/smc,tscholl2/smc,DrXyzzy/smc,DrXyzzy/smc,tscholl2/smc,sagemathinc/smc,tscholl2/smc,sagemathinc/smc,DrXyzzy/smc,sagemathinc/smc,tscholl2/smc,sagemathinc/smc,DrXyzzy/smc