Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (e.g. depot_tools) into downstream projects
(e.g. tools/build).


More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.
depot_tools:
  https://crrev.com/973788f88dab9150c345c9c2f3e705cbc36388a2 Fixing getting machine arch on AIX running in an LPAR environment (miladfar@ca.ibm.com)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: If94c35a331283a496a9f8b5e88c4ad0eab31045c
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/199942
Reviewed-by: Recipe Roller <recipe-roller@chromium.org>
Commit-Queue: Recipe Roller <recipe-roller@chromium.org>
diff --git a/infra/bots/README.recipes.md b/infra/bots/README.recipes.md
index 777dfdd..67ceb66 100644
--- a/infra/bots/README.recipes.md
+++ b/infra/bots/README.recipes.md
@@ -14,9 +14,9 @@
 
 &mdash; **def [git](/infra/bots/recipes/swarm_infra.py#35)(api, \*cmd, \*\*kwargs):**
 
-[depot_tools/recipe_modules/bot_update]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/53aa75c9ce556388e904960e901e4e0dddea92a7/recipes/README.recipes.md#recipe_modules-bot_update
-[depot_tools/recipe_modules/gclient]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/53aa75c9ce556388e904960e901e4e0dddea92a7/recipes/README.recipes.md#recipe_modules-gclient
-[depot_tools/recipe_modules/infra_paths]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/53aa75c9ce556388e904960e901e4e0dddea92a7/recipes/README.recipes.md#recipe_modules-infra_paths
+[depot_tools/recipe_modules/bot_update]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/973788f88dab9150c345c9c2f3e705cbc36388a2/recipes/README.recipes.md#recipe_modules-bot_update
+[depot_tools/recipe_modules/gclient]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/973788f88dab9150c345c9c2f3e705cbc36388a2/recipes/README.recipes.md#recipe_modules-gclient
+[depot_tools/recipe_modules/infra_paths]: https://chromium.googlesource.com/chromium/tools/depot_tools.git/+/973788f88dab9150c345c9c2f3e705cbc36388a2/recipes/README.recipes.md#recipe_modules-infra_paths
 [recipe_engine/recipe_modules/context]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/515401ea01ef01bfe17a84de228d9ff467fac4e5/README.recipes.md#recipe_modules-context
 [recipe_engine/recipe_modules/file]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/515401ea01ef01bfe17a84de228d9ff467fac4e5/README.recipes.md#recipe_modules-file
 [recipe_engine/recipe_modules/path]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/515401ea01ef01bfe17a84de228d9ff467fac4e5/README.recipes.md#recipe_modules-path
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index d408520..c2a12fb 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "53aa75c9ce556388e904960e901e4e0dddea92a7",
+      "revision": "973788f88dab9150c345c9c2f3e705cbc36388a2",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {