Add new service ChangeAnalysis project for SDK generation (Azure#19658)

* Add source code for Change Analysis

* Add test cases

* Resolve comments

* Rerun generated.ps1

Author: yantang-msft

eng/mgmt/mgmtmetadata/changeanalysis_resource-manager.txt

@@ -0,0 +1,14 @@
+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/changeanalysis/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=D:\Testing\azure-sdk-for-net\sdk
+2021-03-26 07:46:14 UTC
+Azure-rest-api-specs repository information
+GitHub fork: Azure
+Branch:      master
+Commit:      dac097e3cd84c72f4eeefc4c0f3346b881c9e473
+AutoRest information
+Requested version: v2
+Bootstrapper version:    autorest@2.0.4413

eng/pipelines/mgmt.yml

@@ -38,6 +38,7 @@ pr:
     - sdk/blueprint/Microsoft.Azure.Management.Blueprint
     - sdk/botservice/Microsoft.Azure.Management.BotService
     - sdk/cdn/Microsoft.Azure.Management.Cdn
+    - sdk/changeanalysis/Microsoft.Azure.Management.ChangeAnalysis
     - sdk/cognitiveservices/Microsoft.Azure.Management.CognitiveServices
     - sdk/compute/Microsoft.Azure.Management.Compute
     - sdk/confluent/Microsoft.Azure.Management.Confluent

sdk/changeanalysis/Microsoft.Azure.Management.ChangeAnalysis/AzSdk.RP.props

@@ -0,0 +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>ChangeAnalysis_2021-04-01;</AzureApiTag>
+    <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
+  </PropertyGroup>
+</Project>

sdk/changeanalysis/Microsoft.Azure.Management.ChangeAnalysis/Microsoft.Azure.Management.ChangeAnalysis.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26228.4
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Azure.Management.ChangeAnalysis.Tests", "tests\Microsoft.Azure.Management.ChangeAnalysis.Tests.csproj", "{2296B795-8609-475A-8090-6624C3631975}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Azure.Management.ChangeAnalysis", "src\Microsoft.Azure.Management.ChangeAnalysis.csproj", "{93D8D9F6-7861-4CA0-8257-CFB0E07CF8A2}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{2296B795-8609-475A-8090-6624C3631975}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2296B795-8609-475A-8090-6624C3631975}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2296B795-8609-475A-8090-6624C3631975}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2296B795-8609-475A-8090-6624C3631975}.Release|Any CPU.Build.0 = Release|Any CPU
+		{93D8D9F6-7861-4CA0-8257-CFB0E07CF8A2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{93D8D9F6-7861-4CA0-8257-CFB0E07CF8A2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{93D8D9F6-7861-4CA0-8257-CFB0E07CF8A2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{93D8D9F6-7861-4CA0-8257-CFB0E07CF8A2}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal