Roll recipe dependencies (trivial).

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

fuchsia:
  https://crrev.com/ebe438f1b2abf58c7352c842c3c1bd4875d812f6 (olivernewman@google.com)
    [auto_roller] Consolidate roller Cq-Cl-Tag setting
  https://crrev.com/7d646c3fb8149d534f3aeb3963fb257f7efe93d7 (olivernewman@google.com)
    [auto_roller] Add Roller-URL footer to roll CLs

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

TBR=fujino@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I6a60ea71c20f542549d8609be9a068134d2307a3
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/7841
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 ab495af..bb68ea2 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -35,7 +35,7 @@
     },
     "fuchsia": {
       "branch": "refs/heads/master",
-      "revision": "8f34eb1e92dde1045a1c6d0318b2b8745847717a",
+      "revision": "7d646c3fb8149d534f3aeb3963fb257f7efe93d7",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {