Revert annotations csproj.

Add analyzers to samples.

Author: timcassell

samples/BenchmarkDotNet.Samples/BenchmarkDotNet.Samples.csproj

@@ -40,4 +40,8 @@
     <ProjectReference Include="..\..\src\BenchmarkDotNet.Diagnostics.Windows\BenchmarkDotNet.Diagnostics.Windows.csproj" />
     <ProjectReference Include="..\..\src\BenchmarkDotNet.TestAdapter\BenchmarkDotNet.TestAdapter.csproj" />
   </ItemGroup>
+  <ItemGroup>
+    <!-- Enables analyzers for this project (this is required since ProjectReference is not transitive). -->
+    <ProjectReference Include="..\..\src\BenchmarkDotNet.Analyzers\BenchmarkDotNet.Analyzers.csproj" ReferenceOutputAssembly="false" OutputItemType="Analyzer"/>
+  </ItemGroup>
 </Project>

src/BenchmarkDotNet.Annotations/BenchmarkDotNet.Annotations.csproj

@@ -16,6 +16,6 @@
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\BenchmarkDotNet.Analyzers\BenchmarkDotNet.Analyzers.csproj" PrivateAssets="all" />
-    <Content Include="..\BenchmarkDotNet.Analyzers\bin\$(Configuration)\netstandard2.0\BenchmarkDotNet.Analyzers.dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
+    <None Include="$(OutputPath)\netstandard2.0\BenchmarkDotNet.Analyzers.dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
   </ItemGroup>
 </Project>