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/7f6dec01696fa5319c505ca8f57579a5b02c4184 ([email protected])
    git-cl: Simplify Change object construction.
  https://crrev.com/6e9bfb061750075b34568d7d5bed4b212deac309 ([email protected])
    git-cl: Remove GetDescriptionFooters and UpdateDescriptionFooters
  https://crrev.com/6c6827cbf27df9964f0c8a1fd069f2d31a10b210 ([email protected])
    git-cl: Simplify FetchDescription and UpdateDescription
  https://crrev.com/73c76703bee6ce2d1b3cfd626be48d35b80f20d2 ([email protected])
    git-cl: Don't use assertRegexpMatches on tests.
  https://crrev.com/8ac1b465512d72c0bea0eb9f2de6a499b847e497 ([email protected])
    Delete tryserver.set_do_not_retry.
  https://crrev.com/3b8094ac6239876a0c03b2d0b6e42d73d633554b ([email protected])
    git-cl: Fix call to GetChange.
  https://crrev.com/64c5af3a715f2d108412edadaf22003c2d18366f ([email protected])
    repo: update to 2.0 launcher
recipe_engine:
  https://crrev.com/202779b4946ce3ff354fd4a1e9171cf132ca85c0 ([email protected])
    [swarming] Roll executable, make invocation failure an infra failure
  https://crrev.com/0da3025f2afe23f98970f64f56c1869f137d4b4e ([email protected])
    Revert "[swarming] Roll executable, make invocation failure an infra failure"

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

[email protected]

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I766b211921aab190675016b35b8e81f588b200f3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/270002
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>

Author: recipe-roller

infra/config/recipes.cfg

@@ -14,12 +14,12 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "816c2b3548fbb7c48a876484faac3e5f39c9416d",
+      "revision": "4fad85878aa650f73aa74f3b00a66c9195fd0d57",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {
       "branch": "master",
-      "revision": "9cc10f207c74c1a1d2b5a34436cb21a5dcc57d92",
+      "revision": "0da3025f2afe23f98970f64f56c1869f137d4b4e",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },