build: Bot_update refactor recipe roll

scripts/slave/recipes/chromium_codesearch.expected/full_Chromium_Linux_Codesearch.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
-      "--master",
-      "chromium.infra.cron",
-      "--builder",
-      "Chromium Linux Codesearch",
-      "--slave",
-      "TestSlavename",
       "--spec",
       "cache_dir = '[ROOT]/git_cache'\nsolutions = [{'custom_vars': {'googlecode_url': 'svn://svn-mirror.golo.chromium.org/%s', 'nacl_trunk': 'svn://svn-mirror.golo.chromium.org/native_client/trunk', 'sourceforge_url': 'svn://svn-mirror.golo.chromium.org/%(repo)s', 'webkit_trunk': 'https://chromium.googlesource.com/chromium/blink.git'}, 'deps_file': '.DEPS.git', 'managed': True, 'name': 'src', 'url': 'https://chromium.googlesource.com/chromium/src.git'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/chrome-devtools-frontend', 'url': 'https://chromium.googlesource.com/chromium/tools/chrome-devtools-frontend'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/gsd_generate_index', 'url': 'https://chromium.googlesource.com/chromium/tools/gsd_generate_index'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/perf', 'url': 'https://chromium.googlesource.com/chromium/tools/perf'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/command_wrapper/bin', 'url': 'https://chromium.googlesource.com/chromium/tools/command_wrapper/bin'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/depot_tools', 'url': 'https://chromium.googlesource.com/chromium/tools/depot_tools'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/chromium-jobqueue', 'url': 'https://chromium.googlesource.com/chromium/tools/chromium-jobqueue'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/chromium-shortener', 'url': 'https://chromium.googlesource.com/chromium/tools/chromium-shortener'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'tools/deps2git', 'url': 'https://chromium.googlesource.com/chromium/tools/deps2git'}, {'deps_file': '.DEPS.git', 'managed': True, 'name': 'infra', 'url': 'https://chromium.googlesource.com/infra/infra'}]",
       "--root",
       "src",
       "--revision_mapping_file",
       "{\"src\": \"got_revision\", \"src/native_client\": \"got_nacl_revision\", \"src/third_party/angle\": \"got_angle_revision\", \"src/third_party/webrtc\": \"got_webrtc_revision\", \"src/tools/swarming_client\": \"got_swarming_client_revision\", \"src/v8\": \"got_v8_revision\"}",
       "--git-cache-dir",
       "[GIT_CACHE]",
       "--output_json",
       "/path/to/tmp/json",
@@ skipping 277 matching lines @@
     "~followup_annotations": [
       "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/chrome-codesearch/prod/chromium_src_linux_170242.tar.bz2@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]