Make the recipe roller tryjob accept tryjobs.

scripts/slave/recipes/infra/recipe_roll_tryjob.expected/tryjob.json

Index: scripts/slave/recipes/infra/recipe_roll_tryjob.expected/tryjob.json
diff --git a/scripts/slave/recipes/infra/recipe_roll_tryjob.expected/one_patch.json b/scripts/slave/recipes/infra/recipe_roll_tryjob.expected/tryjob.json
similarity index 97%
copy from scripts/slave/recipes/infra/recipe_roll_tryjob.expected/one_patch.json
copy to scripts/slave/recipes/infra/recipe_roll_tryjob.expected/tryjob.json
index b4f597b9ac8c25902af3ed9f6c2fe7c77a81ffeb..0dcfb6cee7b11f34a8d5df741ddd7dc505b0741b 100644
--- a/scripts/slave/recipes/infra/recipe_roll_tryjob.expected/one_patch.json
+++ b/scripts/slave/recipes/infra/recipe_roll_tryjob.expected/tryjob.json
@@ -86,6 +86,8 @@
       "{}",
       "--git-cache-dir",
       "[GIT_CACHE]",
+      "--rietveld_server",
+      "https://fake.code.review",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
@@ -97,7 +99,7 @@
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
-    "name": "bot_update",
+    "name": "bot_update (without patch)",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -152,7 +154,7 @@
       "--git-cache-dir",
       "[GIT_CACHE]",
       "--issue",
-      "123456",
+      "12345678",
       "--patchset",
       "1",
       "--rietveld_server",
@@ -168,7 +170,7 @@
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
-    "name": "bot_update (2)",
+    "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -203,6 +205,8 @@
       "python",
       "-u",
       "[SLAVE_BUILD]/build/build/recipes.py",
+      "-O",
+      "recipe_engine=[SLAVE_BUILD]/recipe_engine/recipe_engine",
       "--package",
       "[SLAVE_BUILD]/build/build/infra/config/recipes.cfg",
       "simulation_test"