Generate CDN SDK for 2020-09-01 AFDX support (#18218)

* Generate 2020-09 version code

* add cdn_resource-manager.txt, update ApiVersion modifier

* update passed records

* update test record, fix failed case

* Add AFDX source test and records

* Update test Records, Update test utilities

* Add secret test and records

* Update with swagger

* Update with new swagger

* Use latest swagger

* Add test case and records

* Update test cases and records

* Update the package version

Co-authored-by: Chenglong Liu <[email protected]>

eng/mgmt/mgmtmetadata/cdn_resource-manager.txt

@@ -3,12 +3,12 @@ AutoRest installed successfully.
 Commencing code generation
 Generating CSharp code
 Executing AutoRest command
-cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/cdn/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --tag=package-2020-04 --csharp-sdks-folder=C:\git\azure-sdk-for-net\sdk
-2020-08-10 21:49:57 UTC
+cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/cdn/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --tag=package-2020-09 --csharp-sdks-folder=D:\github\azure-sdk-for-net\sdk
+2021-01-27 01:50:22 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      81ee445f0291ea1b284509dd42b3d37aea3799d7
+Commit:      05b638ddd0e8d125075c72086c81cd9e700f1fbd
 AutoRest information
 Requested version: v2
 Bootstrapper version:    [email protected]

sdk/cdn/Microsoft.Azure.Management.Cdn/AzSdk.RP.props

@@ -1,7 +1,7 @@
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <!--This file and it's contents are updated at build time moving or editing might result in build failure. Take due deligence while editing this file-->
   <PropertyGroup>
-    <AzureApiTag>Cdn_2020-04-15;</AzureApiTag>
+    <AzureApiTag>Cdn_2020-09-01;</AzureApiTag>
     <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
   </PropertyGroup>
 </Project>