milo: fix running steps

appengine/cmd/milo/swarming/testdata/build-running

 @@@CURRENT_TIMESTAMP@1457949601@@@
+
 @@@SEED_STEP recipe bootstrap@@@
 
 @@@STEP_CURSOR recipe bootstrap@@@
 
 @@@CURRENT_TIMESTAMP@1457949602@@@
 @@@STEP_STARTED@@@
 
 @@@SET_BUILD_PROPERTY@path_config@kitchen@@@
 
 @@@SET_BUILD_PROPERTY@slavename@fakeslave@@@
@@ skipping 12 matching lines @@
 state without impacting any branches by performing another checkout.
 
 If you want to create a new branch to retain commits you create, you may
 do so (now or later) by using -b with the checkout command again. Example:
 
   git checkout -b <new-branch-name>
 
 HEAD is now at 3b6bb3e... Roll recipe dependencies (trivial).
 Cloning into '/tmp/run6L2Uju/build/scripts/slave/.recipe_deps/recipe_engine'...
 
+@@@CURRENT_TIMESTAMP@1457949603@@@
+@@@STEP_CLOSED@@@
+
 @@@HONOR_ZERO_RETURN_CODE@@@
 
 @@@SEED_STEP setup_build@@@
 
 @@@STEP_CURSOR setup_build@@@
 
-@@@CURRENT_TIMESTAMP@1457949602@@@
+@@@CURRENT_TIMESTAMP@1457949603@@@
 @@@STEP_STARTED@@@
 
 @@@STEP_LOG_LINE@run_recipe@To repro this locally, run the following line from a build checkout:@@@
 
 @@@STEP_LOG_LINE@run_recipe@@@@
 
 @@@STEP_LOG_LINE@run_recipe@./scripts/tools/run_recipe.py v8 --properties-file - <<EOF@@@
 
 @@@STEP_LOG_LINE@run_recipe@{u'slavename': u'abc', 'recipe': 'v8', u'mastername': u'client.v8', u'buildername': u'V8 Linux - builder'}@@@
 
 @@@STEP_LOG_LINE@run_recipe@EOF@@@
 
 @@@STEP_LOG_LINE@run_recipe@@@@
 
 @@@STEP_LOG_LINE@run_recipe@To run on Windows, you can put the JSON in a file and redirect the@@@
 
 @@@STEP_LOG_LINE@run_recipe@contents of the file into run_recipe.py, with the < operator.@@@
 
 @@@STEP_LOG_END@run_recipe@@@
 
 Running recipe with {u'slavename': u'abc', 'recipe': 'v8', u'mastername': u'client.v8', u'buildername': u'V8 Linux - builder'}
 
 @@@STEP_TEXT@<br/>running recipe: "v8"@@@
 
 @@@STEP_CURSOR setup_build@@@
 
-@@@CURRENT_TIMESTAMP@1457949603@@@
-@@@STEP_CLOSED@@@
-
-@@@STEP_CURSOR recipe bootstrap@@@
 @@@CURRENT_TIMESTAMP@1457949604@@@
 @@@STEP_CLOSED@@@
 
+@@@SEED_STEP bot_update@@@
+
+@@@STEP_CURSOR bot_update@@@
+
 @@@CURRENT_TIMESTAMP@1457949605@@@
+@@@STEP_STARTED@@@
+
+python -u build/scripts/slave/bot_update.py --master client.v8 --builder 'V8 Linux - builder' --slave abc --spec $'cache_dir = None\nsolutions = [{\'custom_vars\': {\'chromium_trunk\': \'svn://svn-mirror.golo.chromium.org/chrome/trunk\'}, \'deps_file\': \'DEPS\', \'managed\': True, \'name\': \'v8\', \'url\': \'https://chromium.googlesource.com/v8/v8\'}]' --root v8 --revision_mapping_file /tmp/tmpnZr9kN.json --output_json /tmp/tmpHHthow.json --revision v8@HEAD --no_shallow --output_manifest
+in dir /tmp/kitchen-132832531:
+ allow_subannotations: False
+ cmd: ['python', '-u', 'build/scripts/slave/bot_update.py', '--master', 'client.v8', '--builder', 'V8 Linux - builder', '--slave', 'abc', '--spec', "cache_dir = None\nsolutions = [{'custom_vars': {'chromium_trunk': 'svn://svn-mirror.golo.chromium.org/chrome/trunk'}, 'deps_file': 'DEPS', 'managed': True, 'name': 'v8', 'url': 'https://chromium.googlesource.com/v8/v8'}]", '--root', 'v8', '--revision_mapping_file', '/tmp/tmpnZr9kN.json', '--output_json', '/tmp/tmpHHthow.json', '--revision', 'v8@HEAD', '--no_shallow', '--output_manifest']
+ cwd: /tmp/kitchen-132832531
+ name: bot_update
+full environment:
+ HOME: /home/chrome-bot
+ PATH: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+ PWD: /
+ USER: chrome-bot
+ USERNAME: ${USER}