build: Bot_update refactor recipe roll

scripts/slave/recipe_modules/chromium_android/example.expected/downgrade_install_tester_basic.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "\nimport os, sys\n\nbuild_path = sys.argv[1]\nif os.path.exists(build_path):\n  for (path, dir, files) in os.walk(build_path):\n    for cur_file in files:\n      if cur_file.endswith('index.lock'):\n        path_to_file = os.path.join(path, cur_file)\n        print 'deleting %s' % path_to_file\n        os.remove(path_to_file)\n",
       "[SLAVE_BUILD]"
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "cleanup index.lock",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@import os, sys@@@",
       "@@@STEP_LOG_LINE@python.inline@@@@",
       "@@@STEP_LOG_LINE@python.inline@build_path = sys.argv[1]@@@",
       "@@@STEP_LOG_LINE@python.inline@if os.path.exists(build_path):@@@",
       "@@@STEP_LOG_LINE@python.inline@  for (path, dir, files) in os.walk(build_path):@@@",
       "@@@STEP_LOG_LINE@python.inline@    for cur_file in files:@@@",
       "@@@STEP_LOG_LINE@python.inline@      if cur_file.endswith('index.lock'):@@@",
       "@@@STEP_LOG_LINE@python.inline@        path_to_file = os.path.join(path, cur_file)@@@",
       "@@@STEP_LOG_LINE@python.inline@        print 'deleting %s' % path_to_file@@@",
       "@@@STEP_LOG_LINE@python.inline@        os.remove(path_to_file)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
-      "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
-      "--master",
-      "chromium.testing.master",
-      "--builder",
-      "downgrade_install_tester",
-      "--slave",
-      "tehslave",
-      "--spec",
-      "cache_dir = None\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'src/repo', 'url': 'svn://svn.chromium.org/chrome/trunk/src'}]\ntarget_os = ['android']",
-      "--root",
-      "src/repo",
-      "--revision_mapping_file",
-      "{}",
-      "--git-cache-dir",
-      "[GIT_CACHE]",
-      "--patch_url",
-      "https://the.patch.url/the.patch",
-      "--output_json",
-      "/path/to/tmp/json",
-      "--revision",
-      "src/repo@4f4b02f6b7fa20a3a25682c457bbc8ad589c8a00",
-      "--output_manifest"
-    ],
-    "cwd": "[SLAVE_BUILD]",
-    "env": {
-      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
-    },
-    "name": "bot_update",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@json.output@{@@@",
-      "@@@STEP_LOG_LINE@json.output@  \"did_run\": false, @@@",
-      "@@@STEP_LOG_LINE@json.output@  \"patch_failure\": false@@@",
-      "@@@STEP_LOG_LINE@json.output@}@@@",
-      "@@@STEP_LOG_END@json.output@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "python",
-      "-u",
       "RECIPE_PACKAGE[depot_tools]/gclient.py",
       "config",
       "--spec",
       "cache_dir = None\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'src/repo', 'url': 'svn://svn.chromium.org/chrome/trunk/src'}]\ntarget_os = ['android']"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
     },
     "name": "gclient setup"
@@ skipping 675 matching lines @@
       "PATH": "[SLAVE_BUILD]/src/third_party/android_tools/sdk/platform-tools:[SLAVE_BUILD]/src/build/android:%(PATH)s"
     },
     "name": "stack_tool_for_asan"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]