Fixup _LinkAssembliesShrink

We need to link against the `jnisrc` assemblies

Author: jonathanpeppers

src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets

@@ -2085,6 +2085,11 @@ because xbuild doesn't support framework reference assemblies.
   Inputs="@(ResolvedUserAssemblies);$(_AndroidBuildPropertiesCache)"
   Outputs="$(_AndroidLinkFlag)">
 
+    <ItemGroup>
+      <_AssembliesToLink Condition=" '$(AndroidGenerateJniMarshalMethods)' != 'True' " Include="@(ResolvedAssemblies)" />
+      <_AssembliesToLink Condition=" '$(AndroidGenerateJniMarshalMethods)' == 'True' " Include="@(_JniMarshalMethodAssemblies)" />
+    </ItemGroup>
+
     <CreateProperty
     	Condition=" '$(AndroidLinkTool)' != '' "
     	Value="$(IntermediateOutputPath)proguard\proguard_project_references.cfg">
@@ -2105,7 +2110,7 @@ because xbuild doesn't support framework reference assemblies.
       PreserveJniMarshalMethods="$(AndroidGenerateJniMarshalMethods)"
       EnableProguard="$(AndroidEnableProguard)"
       DumpDependencies="$(LinkerDumpDependencies)"
-      ResolvedAssemblies="@(ResolvedAssemblies)"
+      ResolvedAssemblies="@(_AssembliesToLink)"
       HttpClientHandlerType="$(AndroidHttpClientHandlerType)"
       TlsProvider="$(AndroidTlsProvider)" />