[recipes.cfg] set autoroll recipe options

Bug:

Change-Id: Ie6b0df9729cdd34f138005ea811d2475de973a94
Reviewed-on: https://chromium-review.googlesource.com/461246
Reviewed-by: Nodir Turakulov <nodir@chromium.org>
Commit-Queue: Robbie Iannucci <iannucci@chromium.org>

infra/config/recipes.cfg

@@ -9,5 +9,14 @@
     }
   ],
   "project_id": "depot_tools",
-  "recipes_path": "recipes"
-}
+  "recipes_path": "recipes",
+  "autoroll_recipe_options": {
+    "trivial": {
+      "tbr_emails": ["iannucci@chromium.org"],
+      "automatic_commit": true
+    },
+    "nontrivial": {
+      "automatic_commit_dry_run": true
+    }
+  }
+}