Roll recipe dependencies (trivial).

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

depot_tools:
  https://crrev.com/a4f9aa037585a99a5c5e1b029991c040f5a29e7c (iannucci@chromium.org)
    Refactor OWNERS for LUCI-related tools.
  https://crrev.com/9468eba70dbda8f1c6992c6e64772b0a44153cbe (ehmaldonado@google.com)
    git-cl: Add tests for git-cl presubmit
  https://crrev.com/8c5cdf1812e4642b53ee660c767e8a71d88ea6ab (sokcevic@google.com)
    Print content of description backup on exit
recipe_engine:
  https://crrev.com/aed02b3aa61d3d56bfe5616667ab09cafc08fb4a (iannucci@chromium.org)
    [test] Fix location of --stop flag.

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

TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Iad429299e5d0c0badeb37c085317fc58ca3c5cd8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/273806
Reviewed-by: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>

infra/config/recipes.cfg

@@ -14,12 +14,12 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "29d5cf85ac28d9ef59228e8805ab7b1078baa667",
+      "revision": "c1371134d45bd94deff01fe7d541b9f998a64852",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {
       "branch": "master",
-      "revision": "a36bdfd1c28f088e1c39736babb987e71284d646",
+      "revision": "aed02b3aa61d3d56bfe5616667ab09cafc08fb4a",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },