Fix StyleCopTester support for SDK projects

Author: sharwell

StyleCop.Analyzers/StyleCopTester/Properties/launchSettings.json

@@ -1,8 +1,15 @@
 {
   "profiles": {
     "StyleCopAnalyzers.sln /stats": {
+      "commandName": "Project",
       "commandLineArgs": "..\\..\\StyleCopAnalyzers.sln /stats",
-      "workingDirectory": "$(MSBuildProjectDirectory)"
+      "workingDirectory": "$(MSBuildProjectDirectory)",
+      "environmentVariables": {
+        "MSBuildSDKsPath": "$(MSBuildSDKsPath)",
+        "MSBuildExtensionsPath": "$(MSBuildExtensionsPath)",
+        "VisualStudioVersion": "$(VisualStudioVersion)",
+        "VSINSTALLDIR": "$(VSAPPIDDIR)\\..\\..\\"
+      }
     }
   }
 }

StyleCop.Analyzers/StyleCopTester/StyleCopTester.csproj

@@ -3,7 +3,10 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>net452</TargetFrameworks>
+    <TargetFrameworks>net46</TargetFrameworks>
+
+    <!-- Automatically generate the necessary assembly binding redirects -->
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -20,6 +23,9 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.Build" Version="15.3.409" />
+    <PackageReference Include="Microsoft.Build.Framework" Version="15.3.409" />
+    <PackageReference Include="Microsoft.Build.Tasks.Core" Version="15.3.409" />
     <PackageReference Include="Microsoft.CodeAnalysis" Version="1.2.1" />
   </ItemGroup>