Re - Add support for Traffic selector param in VpnConnection for virtualWan (#13103)

* Add support for Traffic selector param in Connection - initial changes

* Add trafficSelectorPolicies list in responses

* Add trafficSelectorPolicies list in Get and List connection

Author: akshatkale

specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/examples/VpnConnectionGet.json

@@ -20,6 +20,7 @@
           "enableInternetSecurity": false,
           "ingressBytesTransferred": 0,
           "egressBytesTransferred": 0,
+          "trafficSelectorPolicies": [],
           "vpnLinkConnections": [
             {
               "name": "Connection-Link1",

specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/examples/VpnConnectionList.json

@@ -20,6 +20,7 @@
             "enableInternetSecurity": false,
             "ingressBytesTransferred": 0,
             "egressBytesTransferred": 0,
+            "trafficSelectorPolicies": [],
             "vpnLinkConnections": [
               {
                 "name": "Connection-Link1",

specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/examples/VpnConnectionPut.json

@@ -20,10 +20,12 @@
               "connectionBandwidth": 200,
               "vpnConnectionProtocolType": "IKEv2",
               "sharedKey": "key",
-              "vpnLinkConnectionMode": "Default"
+              "vpnLinkConnectionMode": "Default",
+              "usePolicyBasedTrafficSelectors": false
             }
           }
-        ]
+        ],
+        "trafficSelectorPolicies": []
       }
     }
   },
@@ -91,7 +93,8 @@
             "vnetRoutes": {
               "staticRoutes": []
             }
-          }
+          },
+          "trafficSelectorPolicies": []
         }
       }
     },
@@ -157,7 +160,8 @@
             "vnetRoutes": {
               "staticRoutes": []
             }
-          }
+          },
+          "trafficSelectorPolicies": []
         }
       }
     }

specification/network/resource-manager/Microsoft.Network/stable/2020-11-01/virtualWan.json

@@ -6357,6 +6357,13 @@
           },
           "description": "The IPSec Policies to be considered by this connection."
         },
+        "trafficSelectorPolicies": {
+          "type": "array",
+          "items": {
+            "$ref": "./virtualNetworkGateway.json#/definitions/TrafficSelectorPolicy"
+          },
+          "description": "The Traffic Selector Policies to be considered by this connection."
+        },
         "enableRateLimiting": {
           "type": "boolean",
           "description": "EnableBgp flag."