Fixed labels in GKE schema
Fixed labels in GKE schema

Stackdriver/heapster,luxas/heapster,bruceauyeung/heapster,liubog2008/heapster,burmanm/heapster,krzyzacy/heapster,titilambert/heapster,andyxning/heapster,taimir/heapster,johanneswuerbach/heapster,mwringe/heapster,whuwxl/heapster,adfin/statster,jackzampolin/heapster,shilpamayanna/heapster,shilpamayanna/heapster,whuwxl/heapster,liubog2008/heapster,Stackdriver/heapster,aegixx/heapster,johanneswuerbach/heapster,jackzampolin/heapster,luxas/heapster,piosz/heapster,bluebreezecf/heapster,AlmogBaku/heapster,AlmogBaku/heapster,andyxning/heapster,huangyuqi/heapster,aegixx/heapster,saiwl/heapster,mwringe/heapster,krzyzacy/heapster,taimir/heapster,piosz/heapster,burmanm/heapster,bluebreezecf/heapster,huangyuqi/heapster,saiwl/heapster,adfin/statster,bruceauyeung/heapster,titilambert/heapster