Kops - use custom GCS state store for all kops commands
Kops - use custom GCS state store for all kops commands

Previously we were only using this newly created bucket for `kops create cluster` which caused the other commands to fail.
Now the bucket is used for all commands.

This also deletes the bucket during teardown

cblecker/test-infra,dims/test-infra,cjwagner/test-infra,cjwagner/test-infra,kubernetes/test-infra,michelle192837/test-infra,monopole/test-infra,dims/test-infra,cjwagner/test-infra,monopole/test-infra,cblecker/test-infra,brahmaroutu/test-infra,pwittrock/test-infra,michelle192837/test-infra,jessfraz/test-infra,cjwagner/test-infra,jessfraz/test-infra,cjwagner/test-infra,dims/test-infra,kubernetes/test-infra,jessfraz/test-infra,kubernetes/test-infra,fejta/test-infra,cblecker/test-infra,jessfraz/test-infra,monopole/test-infra,brahmaroutu/test-infra,brahmaroutu/test-infra,brahmaroutu/test-infra,kubernetes/test-infra,pwittrock/test-infra,fejta/test-infra,dims/test-infra,fejta/test-infra,pwittrock/test-infra,fejta/test-infra,monopole/test-infra,jessfraz/test-infra,cblecker/test-infra,michelle192837/test-infra,monopole/test-infra,BenTheElder/test-infra,cjwagner/test-infra,fejta/test-infra,dims/test-infra,cblecker/test-infra,michelle192837/test-infra,michelle192837/test-infra,brahmaroutu/test-infra,fejta/test-infra,monopole/test-infra,pwittrock/test-infra,BenTheElder/test-infra,brahmaroutu/test-infra,BenTheElder/test-infra,cblecker/test-infra,dims/test-infra,BenTheElder/test-infra,pwittrock/test-infra,BenTheElder/test-infra,BenTheElder/test-infra,kubernetes/test-infra,kubernetes/test-infra,jessfraz/test-infra,michelle192837/test-infra