vendor: Bump hcsshim to 0.9.0

This change bumps hcsshim to 0.9.0. Main thing this tag contains is support for
Kubernetes Host Process containers
See: https://kubernetes.io/docs/tasks/configure-pod-container/create-hostprocess-pod/

Signed-off-by: Daniel Canter <dcanter@microsoft.com>

vendor/github.com/Microsoft/hcsshim/internal/hns/hnsendpoint.go

@@ -20,6 +20,7 @@ type HNSEndpoint struct {
 	IPv6Address        net.IP            `json:",omitempty"`
 	DNSSuffix          string            `json:",omitempty"`
 	DNSServerList      string            `json:",omitempty"`
+	DNSDomain          string            `json:",omitempty"`
 	GatewayAddress     string            `json:",omitempty"`
 	GatewayAddressV6   string            `json:",omitempty"`
 	EnableInternalDNS  bool              `json:",omitempty"`

vendor/github.com/Microsoft/hcsshim/internal/hns/hnspolicy.go

@@ -22,9 +22,9 @@ const (
 
 type NatPolicy struct {
 	Type         PolicyType `json:"Type"`
-	Protocol     string
-	InternalPort uint16
-	ExternalPort uint16
+	Protocol     string     `json:",omitempty"`
+	InternalPort uint16     `json:",omitempty"`
+	ExternalPort uint16     `json:",omitempty"`
 }
 
 type QosPolicy struct {
@@ -88,20 +88,20 @@ const (
 type ACLPolicy struct {
 	Type            PolicyType `json:"Type"`
 	Id              string     `json:"Id,omitempty"`
-	Protocol        uint16
-	Protocols       string `json:"Protocols,omitempty"`
-	InternalPort    uint16
+	Protocol        uint16     `json:",omitempty"`
+	Protocols       string     `json:"Protocols,omitempty"`
+	InternalPort    uint16     `json:",omitempty"`
 	Action          ActionType
 	Direction       DirectionType
-	LocalAddresses  string
-	RemoteAddresses string
-	LocalPorts      string `json:"LocalPorts,omitempty"`
-	LocalPort       uint16
-	RemotePorts     string `json:"RemotePorts,omitempty"`
-	RemotePort      uint16
-	RuleType        RuleType `json:"RuleType,omitempty"`
-	Priority        uint16
-	ServiceName     string
+	LocalAddresses  string     `json:",omitempty"`
+	RemoteAddresses string     `json:",omitempty"`
+	LocalPorts      string     `json:"LocalPorts,omitempty"`
+	LocalPort       uint16     `json:",omitempty"`
+	RemotePorts     string     `json:"RemotePorts,omitempty"`
+	RemotePort      uint16     `json:",omitempty"`
+	RuleType        RuleType   `json:"RuleType,omitempty"`
+	Priority        uint16     `json:",omitempty"`
+	ServiceName     string     `json:",omitempty"`
 }
 
 type Policy struct {