[KeyVault] Support new resource: managed HSM (Azure#14569)

* mhsm

* mhsm2

* exclude from test

* mhsm3

* bump up version

* all new api versions

* generate from merged spec

* include tests

eng/mgmt/mgmtmetadata/keyvault_resource-manager.txt

@@ -1,14 +1,14 @@
-Installing AutoRest version: 2.0.4413
+Installing AutoRest version: v2
 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/keyvault/resource-manager/readme.md --csharp --version=2.0.4413 --reflect-api-versions --csharp.output-folder=C:\Users\yeliu\isra-fel\azure-sdk-for-net\sdk\keyvault\Microsoft.Azure.Management.KeyVault\src\Generated
-2020-03-24 07:45:59 UTC
+cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/keyvault/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp.output-folder=C:\Users\yeliu\isra-fel\azure-sdk-for-net\sdk\keyvault\Microsoft.Azure.Management.KeyVault\src\Generated
+2020-08-25 07:58:48 UTC
 Azure-rest-api-specs repository information
 GitHub fork: Azure
 Branch:      master
-Commit:      c9a1ed48c35572cf59cb5030e678a9d614684a7f
+Commit:      122829cebe6e4177e9eb6ff349071d3e2034b0e7
 AutoRest information
-Requested version: 2.0.4413
+Requested version: v2
 Bootstrapper version:    [email protected]

sdk/keyvault/Microsoft.Azure.Management.KeyVault/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>KeyVault_2019-09-01;KeyVaultManagementClient_2019-09-01;</AzureApiTag>
+    <AzureApiTag>KeyVault_2019-09-01;KeyVault_2020-04-01-preview;KeyVaultManagementClient_2019-09-01;</AzureApiTag>
     <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
   </PropertyGroup>
 </Project>