Manually bump recipe dependency

crosreview.com/2144905 landed a protobuf paths change that
recipe roll can't step over (because the import paths are broken
_before_ the update).
So manually bump hash.

BUG=chromium:1069877
TEST=./recipes.py test train

Change-Id: I8807c56cf308a9742bb74618313a2e78506302e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2149568
Tested-by: Prathmesh Prabhu <pprabhu@chromium.org>
Auto-Submit: Prathmesh Prabhu <pprabhu@chromium.org>
Reviewed-by: Andrew Lamb <andrewlamb@chromium.org>
Commit-Queue: Andrew Lamb <andrewlamb@chromium.org>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 0226b7f..4a91df1 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,7 +16,7 @@
   "deps": {
     "chromiumos_config": {
       "branch": "refs/heads/master",
-      "revision": "46da962f5e3c398a538fc79609d90cfabbdb84d5",
+      "revision": "72f8a00dfa8e874e9fc01a78bd88c911695d4892",
       "url": "https://chromium.googlesource.com/chromiumos/config.git"
     },
     "recipe_engine": {