RaunakShah: Update snapshot CRDs to v6 in add on folder

JobBuild
43bd5f86
05-14 06:25		 110021
05-12 18:20		 20e77209
05-12 18:19
pull-kubernetes-conformance-kind-ga-only-parallel 1525527704395321344 1525478861951733760 1525361534664970240 1524816468619825152
pull-kubernetes-dependencies 1525478861771378688 1525361534493003776 1524816468359778304
pull-kubernetes-e2e-gce-100-performance 1525478862077562880 1525361534778216448 1524816468741459968
pull-kubernetes-e2e-gce-ubuntu-containerd 1525478861804933120 1525361534518169600 1524816468405915648
pull-kubernetes-e2e-kind 1525478861880430592 1525361534593667072 1524816468535939072
pull-kubernetes-e2e-kind-ipv6 1525478861918179328 1525361534627221504 1524995387536969728 1524816468577882112
pull-kubernetes-integration 1525478861842681856 1525361534560112640 1524816468439470080
pull-kubernetes-node-e2e-containerd 1525478862018842624 1525361534727884800 1524816468678545408
pull-kubernetes-typecheck 1525478862102728704 1525361534811770880 1524816468770820096
pull-kubernetes-unit 1525478861993676800 1525361534698524672 1524816468649185280
pull-kubernetes-verify 1525478863453294592 1525361536162336768 1524816470024916992
pull-kubernetes-verify-govet-levee 1525478862610239488 1525361535323475968 1524816469181861888