Updating existing CRR APIs with zone restore feature (Azure#12157)

* - Added change for support of cross zone restores.

* - updating example json

* - Fixing prettier

Author: arpja

specification/recoveryservicesbackup/resource-manager/Microsoft.RecoveryServices/stable/2018-12-20/bms.json

@@ -2858,6 +2858,13 @@
         "recoveryPointDiskConfiguration": {
           "$ref": "#/definitions/RecoveryPointDiskConfiguration",
           "description": "Disk configuration"
+        },
+        "zones": {
+          "description": "Identifies the zone of the VM at the time of backup. Applicable only for zone-pinned Vms",
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
         }
       },
       "x-ms-discriminator-value": "IaasVMRecoveryPoint"
@@ -2953,6 +2960,13 @@
         "diskEncryptionSetId": {
           "description": "DiskEncryptionSet's ID - needed if the VM needs to be encrypted at rest during restore with customer managed key.",
           "type": "string"
+        },
+        "zones": {
+          "description": "Target zone where the VM and its disks should be restored.",
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
         }
       },
       "x-ms-discriminator-value": "IaasVMRestoreRequest"

specification/recoveryservicesbackup/resource-manager/Microsoft.RecoveryServices/stable/2018-12-20/examples/AzureIaasVm/RecoveryPoints_List.json

@@ -63,7 +63,10 @@
               ],
               "isManagedVirtualMachine": true,
               "virtualMachineSize": "Standard_D1",
-              "originalStorageAccountOption": false
+              "originalStorageAccountOption": false,
+              "zones": [
+                "1"
+              ]
             }
           }
         ],

specification/recoveryservicesbackup/resource-manager/Microsoft.RecoveryServices/stable/2018-12-20/examples/AzureIaasVm/TriggerCrossRegionRestore_Post.json

@@ -41,7 +41,10 @@
         "targetDomainNameId": null,
         "targetResourceGroupId": "/subscriptions/f2edfd5d-5496-4683-b94f-b3588c579009/resourceGroups/00networkAckl",
         "targetVirtualMachineId": "/subscriptions/f2edfd5d-5496-4683-b94f-b3588c579009/resourceGroups/00networkAckl/providers/Microsoft.Compute/virtualMachines/gaallaVM",
-        "virtualNetworkId": "/subscriptions/f2edfd5d-5496-4683-b94f-b3588c579009/resourceGroups/00networkAcklVaultCCY/providers/Microsoft.Network/virtualNetworks/00networkAcklVaultCCY-vnet"
+        "virtualNetworkId": "/subscriptions/f2edfd5d-5496-4683-b94f-b3588c579009/resourceGroups/00networkAcklVaultCCY/providers/Microsoft.Network/virtualNetworks/00networkAcklVaultCCY-vnet",
+        "zones": [
+          "2"
+        ]
       }
     }
   },