Roll recipe dependencies (trivial).

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

build:
  https://crrev.com/e6ce3c6ad54cffc2eb9faf049c77dc507e1f27d6 (gbeaty@chromium.org)
    Make reading the test spec an infra step.
fuchsia:
  https://crrev.com/48dd69afabff591c705808c96b4d92ef8b15732c (olivernewman@google.com)
    [auto_roller] Check CQ dry run comments in reverse order

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: Ie4ebbb5f1edfdde973dee1c01fd5429c7aa1ed67
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/2900
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>

infra/config/recipes.cfg

diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 33bfbd8..df5079d 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -22,7 +22,7 @@
   "deps": {
     "build": {
       "branch": "refs/heads/master",
-      "revision": "3eee641838b1217846791133166ffecf4129a7bb",
+      "revision": "e6ce3c6ad54cffc2eb9faf049c77dc507e1f27d6",
       "url": "https://chromium.googlesource.com/chromium/tools/build"
     },
     "depot_tools": {
@@ -32,7 +32,7 @@
     },
     "fuchsia": {
       "branch": "refs/heads/master",
-      "revision": "19c94b9aed3a81bcfb5fd913d96579742cc1eaf6",
+      "revision": "48dd69afabff591c705808c96b4d92ef8b15732c",
       "url": "https://fuchsia.googlesource.com/infra/recipes.git"
     },
     "recipe_engine": {