Fixed addon-manager failing with non-default --apiserver-port
Fixed addon-manager failing with non-default --apiserver-port

dlorenc/minikube,warmchang/minikube,kubernetes/minikube,dlorenc/minikube,kubernetes/minikube,dlorenc/minikube,warmchang/minikube,kubernetes/minikube,dalehamel/minikube,dalehamel/minikube,kubernetes/minikube,dlorenc/minikube,warmchang/minikube,kubernetes/minikube,dlorenc/minikube,warmchang/minikube,warmchang/minikube,dalehamel/minikube,kubernetes/minikube,dlorenc/minikube,dlorenc/minikube,warmchang/minikube,warmchang/minikube,kubernetes/minikube,dlorenc/minikube