Pass -p:RestoreConfigFile to Java.Interop.sln

Author: jonathanpeppers

build-tools/scripts/DotNet.targets

@@ -17,7 +17,7 @@
 
   <Target Name="PrepareJavaInterop">
     <Exec
-        Command="&quot;$(DotNetPreviewTool)&quot; build -t:Prepare Java.Interop.sln -c $(Configuration) -p:JdksRoot=$(JavaSdkDirectory) -p:DotnetToolPath=$(DotNetPreviewTool) -bl:$(_BinlogPathPrefix)-prepare-java-interop.binlog"
+        Command="&quot;$(DotNetPreviewTool)&quot; build -t:Prepare Java.Interop.sln -c $(Configuration) -p:JdksRoot=$(JavaSdkDirectory) -p:DotnetToolPath=$(DotNetPreviewTool) -p:RestoreConfigFile=$(_Root)NuGet.config -bl:$(_BinlogPathPrefix)-prepare-java-interop.binlog"
         WorkingDirectory="$(_Root)external\Java.Interop"
     />
   </Target>