justaugustus: Fix image building post-submits: second pass

JobBuild
2002
04-16 00:19
pull-release-image-k8s-ci-builder 1382851195948765184
pull-release-image-k8s-cloud-builder 1382851195923599360
pull-release-image-kubepkg 1382851196007485440
pull-release-image-releng-ci 1382851195978125312
pull-release-integration-test 1382851195869073408
pull-release-test 1382851195848101888
pull-release-verify 1382851195894239232