Log the path to procdump

This diagnostic will tell us what ProcDump is being used during builds.
Needed to help us understand why we aren't getting crash dumps on our
Spanish jobs.

src/Tools/Source/RunTests/Options.cs

@@ -63,6 +63,9 @@ internal class Options
         /// </summary>
         public TimeSpan? Timeout { get; set; }
 
+        /// <summary>
+        /// The directory which contains procdump.exe. 
+        /// </summary>
         public string ProcDumpDirectory { get; set; }
 
         public string XunitPath { get; set; }

src/Tools/Source/RunTests/Program.cs

@@ -101,6 +101,7 @@ private static async Task<int> RunCore(Options options, CancellationToken cancel
             var assemblyInfoList = GetAssemblyList(options);
 
             Console.WriteLine($"Data Storage: {testExecutor.DataStorage.Name}");
+            Console.WriteLine($"Proc dump location: {options.ProcDumpDirectory}");
             Console.WriteLine($"Running {options.Assemblies.Count()} test assemblies in {assemblyInfoList.Count} partitions");
 
             var result = await testRunner.RunAllAsync(assemblyInfoList, cancellationToken).ConfigureAwait(true);