Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (build) into this repository.

build:
  https://crrev.com/c6cc6f7ef62d31d14bedec3bb194dd3629a92416 (iannucci@chromium.org)
    Fix clang_revision to use json instead of subannotations.

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.

TBR=godofredoc@google.com, keyonghan@google.com, wutong@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Iaec9199dacbc4830eb7f606afae9efa3728bd662
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/2846
Reviewed-by: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index ce8a403..f0e4f47 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,7 +22,7 @@
   "deps": {
     "build": {
       "branch": "refs/heads/master",
-      "revision": "e90ae452690dbbfe6866a8088b6db4ac767a7b82",
+      "revision": "c6cc6f7ef62d31d14bedec3bb194dd3629a92416",
       "url": "https://chromium.googlesource.com/chromium/tools/build"
     },
     "depot_tools": {