Add third_party/google_benchmark/src in fetch_dawn_dependencies.py

Change-Id: I843dc1e720f305b8d2bf49f093173a20b99ab620
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/194932
Commit-Queue: Jaswant Panchumarti <jaswant.panchumarti@kitware.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
diff --git a/tools/fetch_dawn_dependencies.py b/tools/fetch_dawn_dependencies.py
index 3c6d29a..0251b74 100644
--- a/tools/fetch_dawn_dependencies.py
+++ b/tools/fetch_dawn_dependencies.py
@@ -105,6 +105,7 @@
         'third_party/protobuf',
         'third_party/markupsafe',
         'third_party/glslang/src',
+        'third_party/google_benchmark/src',
         'third_party/spirv-headers/src',
         'third_party/spirv-tools/src',
         'third_party/vulkan-headers/src',