Test CL to demonstrate GN + hermetic toolchain

build/secondary/third_party/crashpad/crashpad/util/BUILD.gn

Index: build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
diff --git a/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn b/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
index e9ed82febe4ce29c8ee839ce7c241b159e7b8f07..e1448b6efc069766514c6b78347f27a153c749b1 100644
--- a/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
+++ b/build/secondary/third_party/crashpad/crashpad/util/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/toolchain/toolchain.gni")
+
 if (is_mac) {
   import("//build/config/sysroot.gni")
 }
@@ -32,6 +34,7 @@ if (is_mac) {
 
     args = [ "{{source}}" ]
     args += rebase_path(outputs, root_build_dir)
+    args += [hermetic_xcode_path]
   }
 }