Update KnownExtraPrebuilts

Author: dseefeld

eng/SourceBuild.Tarball.KnownExtraPrebuilts.targets

@@ -65,6 +65,7 @@
       -->
       <KnownExtraPrebuiltFile Include="
         $(TarballPrebuiltPackageDir)microsoft.bcl.asyncinterfaces.1.1.0.nupkg;
+        $(TarballPrebuiltPackageDir)system.drawing.common.4.7.0.nupkg;
         " />
       <!--
         Remove source-link packages to throw away tooling that Arcade imports unconditionally in the