Add priority field to prevent early shutdown

Author: CoreyCook8

bindata/assets/kube-controller-manager/pod.yaml

@@ -201,6 +201,7 @@ spec:
     securityContext:
       readOnlyRootFilesystem: true
   hostNetwork: true
+  priority: 2000001000
   priorityClassName: system-node-critical
   tolerations:
   - operator: "Exists"