mash: Add catalog/manifest etc. for telemetry tests binary for mash.

chrome/app/chrome_main_delegate.cc

Index: chrome/app/chrome_main_delegate.cc
diff --git a/chrome/app/chrome_main_delegate.cc b/chrome/app/chrome_main_delegate.cc
index d105144bb2c1d3e8c697a85189cdee73519c86ba..2527a7aacfb92b2596fdabd822da623c4aa50986 100644
--- a/chrome/app/chrome_main_delegate.cc
+++ b/chrome/app/chrome_main_delegate.cc
@@ -110,6 +110,7 @@
 
 #if BUILDFLAG(ENABLE_PACKAGE_MASH_SERVICES)
 #include "chrome/app/mash/chrome_mash_catalog.h"
+#include "chrome/app/mash/chrome_telemetry_catalog.h"
 #include "chrome/app/mash/embedded_services.h"
 #include "mash/common/config.h"                                   // nogncheck
 #include "mash/quick_launch/public/interfaces/constants.mojom.h"  // nogncheck
@@ -1134,8 +1135,11 @@ std::unique_ptr<base::Value> ChromeMainDelegate::CreateServiceCatalog() {
   if (command_line.HasSwitch(switches::kMus))
     return CreateChromeMusCatalog();
 #endif  // defined(OS_CHROMEOS)
-  if (command_line.HasSwitch(switches::kMash))
+  if (command_line.HasSwitch(switches::kMash)) {
+    if (command_line.HasSwitch("use-test-config"))
+      return CreateChromeTelemetryCatalog();
     return CreateChromeMashCatalog();
+  }
 #endif  // BUILDFLAG(ENABLE_PACKAGE_MASH_SERVICES)
   return nullptr;
 }