
Automatic merge from submit-queue (batch tested with PRs 37708, 34410) Add restclientconfig helper fn for parsing timeout Related downstream PR: https://github.com/openshift/origin/pull/12062 (example of use-case for this patch) **Release note**: ```release-note release-note-none ``` This patch adds a package `pkg/client/unversioned/clientcmd/util` and defines a `ParseTimeout` helper function for parsing time from a user-defined string. This allows code re-use in other packages that require the creation of a new restclient (and therefore must set the `--global-timeout` flag value manually). @fabianofranz @kubernetes/cli-review