Add System.Formats.Asn1 package version to directory.packages.props

Author: Jason Zhai

Directory.Packages.props

@@ -89,6 +89,7 @@
     <PackageVersion Include="System.Composition.TypedParts" Version="$(SystemCompositionTypedPartsPackageVersion)"/>
     <PackageVersion Include="System.Configuration.ConfigurationManager" Version="$(SystemConfigurationConfigurationManagerPackageVersion)" />
     <PackageVersion Include="System.Drawing.Common" Version="$(SystemDrawingCommonPackageVersion)" />
+    <PackageVersion Include="System.Formats.Asn1" Version="$(SystemFormatsAsn1Version)" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <!-- System.Reflection.Metadata and System.Collections.Immutable cannot be pinned here because of hard dependencies within Roslyn on specific versions that have to work both here and in VS -->
     <PackageVersion Include="System.Reflection.MetadataLoadContext" Version="$(SystemReflectionMetadataLoadContextVersion)" />