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/27d7dbbe51fbe61085361e9e5080401feacaa273 (jeffyoon@google.com)
    Support for raw directory uploads and flat file uploads

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

TBR=chillers@google.com, flutter-scoped@luci-project-accounts.iam.gserviceaccount.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I1ab4c3721c8dea165c6f5ea94c73cf7f0835a95d
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/8841
Reviewed-by: flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com <flutter-prod-builder@chops-service-accounts.iam.gserviceaccount.com>
Reviewed-by: Casey Hillers <chillers@google.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 343f481..bb58103 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -25,7 +25,7 @@
   "deps": {
     "build": {
       "branch": "refs/heads/master",
-      "revision": "25ac53ebb7336f927f159e6b2a2102bf25b859d5",
+      "revision": "27d7dbbe51fbe61085361e9e5080401feacaa273",
       "url": "https://chromium.googlesource.com/chromium/tools/build"
     },
     "depot_tools": {