Add recipe for testing recipe simulation.

scripts/slave/recipes/infra/recipe_simulation.expected/normal.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
-      "chromium.infra",
+      "chromium.tools.build",
       "--builder",
-      "cipd-module-tester",
+      "recipe simulation tester",
       "--slave",
       "TestSlavename",
       "--spec",
       "cache_dir = '[ROOT]/git_cache'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'build', 'url': 'https://chromium.googlesource.com/chromium/tools/build.git'}]",
       "--root",
       "build",
       "--revision_mapping_file",
       "{\"build\": \"got_revision\"}",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
-      "build@HEAD",
+      "build@deadbeaf",

[Michael Achenbach, 2016/01/11 16:05:11]

Looks like the bot_update api already uses the revision property by default if
present to sync to the desired revision.

       "--force",
       "--output_manifest"
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"did_run\": true, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"manifest\": {@@@",
@@ skipping 11 matching lines @@
       "@@@STEP_LOG_LINE@json.output@  \"root\": \"build\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"step_text\": \"Some step text\"@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@SET_BUILD_PROPERTY@got_revision@\"80754af91bfb6d1073585b046fe0a474ce868509\"@@@",
       "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#270553}\"@@@"
     ]
   },
   {
     "cmd": [
-      "python",
-      "-u",
-      "[SLAVE_BUILD]/build/scripts/tools/run_recipe.py",
-      "infra/cipd_test",
-      "--master-overrides-slave",
-      "--properties-file",
-      "{\"buildername\": \"cipd-module-tester\", \"buildnumber\": 571, \"dir_to_package\": \"[SLAVE_BUILD]/build/scripts/slave/recipe_modules/cipd\", \"mastername\": \"chromium.infra\", \"revision_tag\": \"80754af91bfb6d1073585b046fe0a474ce868509\", \"slavename\": \"TestSlavename\"}"
+      "[SLAVE_BUILD]/build/scripts/slave/recipes.py",
+      "fetch"
     ],
     "cwd": "[SLAVE_BUILD]",
-    "name": "actual run"
+    "name": "recipe fetch deps"
+  },
+  {
+    "cmd": [
+      "[SLAVE_BUILD]/build/scripts/slave/recipes.py",
+      "simulation_test"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "recipe simulation test"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]