DiskRp changes for 2020-05-01 (#12553)

* DiskRP sdk changes for api version 2020-05-01

* changing sdk versions

* taking in latest changes from swagger pr

* fix tests and generate sdk from latest swagger

* taking in latest swagger changes and running the failed test

* regenerate sdk from merged swagger

* fixing autorest, updating azsdk.props, updating validation in des tests

eng/mgmt/mgmtmetadata/compute_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/compute/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=D:\hylee-sdk\may\sdk
-2020-05-26 00:22:02 UTC
+cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/compute/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=D:\GitSwagger\azure-sdk-for-net\sdk
+2020-06-09 19:55:52 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      eb91865bf3284a739f1f0ded036f0e37bbcebe8d
+Commit:      3c09c5f5e3a7c6a543ae1a9eea7f06a3cfda83a8
 AutoRest information
 Requested version: v2
 Bootstrapper version:    autorest@2.0.4413

sdk/compute/Microsoft.Azure.Management.Compute/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>Compute_2019-12-01;Compute_2019-11-01;Compute_2019-04-01;ContainerService_2017-01-31;</AzureApiTag>
+    <AzureApiTag>Compute_2020-05-01;Compute_2019-12-01;Compute_2019-11-01;Compute_2019-04-01;ContainerService_2017-01-31;</AzureApiTag>
     <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
   </PropertyGroup>
 </Project>