Update containerd to v1.2.0.

Signed-off-by: Lantao Liu <lantaol@google.com>

vendor/github.com/Microsoft/hcsshim/internal/schema2/networking.go

@@ -0,0 +1,24 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.1
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type Networking struct {
+
+	AllowUnqualifiedDnsQuery bool `json:"AllowUnqualifiedDnsQuery,omitempty"`
+
+	DnsSearchList string `json:"DnsSearchList,omitempty"`
+
+	NetworkSharedContainerName string `json:"NetworkSharedContainerName,omitempty"`
+
+	//  Guid in windows; string in linux
+	Namespace string `json:"Namespace,omitempty"`
+
+	NetworkAdapters []string `json:"NetworkAdapters,omitempty"`
+}