Fix build

Author: sbomer

src/Tests/Microsoft.Diagnostics.Monitoring.TestCommon/Microsoft.Diagnostics.Monitoring.TestCommon.csproj

@@ -1,4 +1,6 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project>
+
+  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
 
   <PropertyGroup>
     <TargetFrameworks>$(TestTargetFrameworks)</TargetFrameworks>
@@ -36,6 +38,8 @@
     <InternalsVisibleTo Include="Microsoft.Diagnostics.Monitoring.UnitTestApp" />
   </ItemGroup>
 
+  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
+
   <Import Project="GenerateDotNetHost.targets" />
 
 </Project>