message: Added publicNetworkAccess property to PUT payload
  * Added publicNetworkAccess property to PUT payload
  Added publicNetworkAccess property to PUT payload
  * Update account.json
  Add publicNetworkAccess property to update automation account property as well
diff: "encryption": {
  "$ref": "#/definitions/EncryptionProperties",
  "description": "Set the encryption properties for the automation account"
  + },
  + "publicNetworkAccess": {
  + "type": "boolean",
  + "description": "Indicates whether traffic on the non-ARM endpoint (Webhook/Agent) is allowed from the public internet"
  }
  },
  "description": "The parameters supplied to the create or update account properties."
  "sku": {
  "$ref": "#/definitions/Sku",
  "description": "Gets or sets account SKU."
  + },
  + "publicNetworkAccess": {
  + "type": "boolean",
  + "description": "Indicates whether traffic on the non-ARM endpoint (Webhook/Agent) is allowed from the public internet"
  }
  },
  "description": "The parameters supplied to the update account properties."
  