Fixed issue related to multiple masters
Fixed issue related to multiple masters

GetAPIServerEndpoint returns multiple master IP addresses when the cluster is set to allow redundant masters. The behavior was changed to select the zeroth master, which should propagate changes to other available masters in the cluster.
kubernetes-sigs/sig-windows-tools,kubernetes-sigs/sig-windows-tools,kubernetes-sigs/sig-windows-tools,kubernetes-sigs/sig-windows-tools,kubernetes-sigs/sig-windows-tools