Roll recipe dependencies (nontrivial).

scripts/slave/recipes/v8/auto_roll_release_process.expected/same_lkgr.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "client.v8.fyi",
       "--builder",
       "Auto-roll - release process",
       "--slave",
       "TestSlavename",
       "--spec",
       "cache_dir = '[GIT_CACHE]'\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",
       "{\"v8\": \"got_revision\"}",
       "--git-cache-dir",
       "[GIT_CACHE]",
       "--output_json",
       "/path/to/tmp/json",
       "--revision",
       "v8@HEAD",
       "--force",
       "--no_shallow",
       "--output_manifest"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "env": {
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
     "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@  \"fixed_revisions\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"v8\": \"HEAD\"@@@",
@@ skipping 19 matching lines @@
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/tools/runit.py",
       "[BUILD]/scripts/tools/pycurl.py",
       "https://v8-status.appspot.com/lkgr"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "get new lkgr",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@logs@New candidate: 74882b7a8e55268d1658f83efefa1c2585cee723 (396002)@@@",
       "@@@STEP_LOG_END@logs@@@"
     ]
   },
   {
     "cmd": [
       "git",
@@ skipping 17 matching lines @@
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@ref@74882b7a8e55268d1658f83efefa1c2585cee723@@@",
       "@@@STEP_LOG_END@ref@@@"
     ]
   },
   {
     "cmd": [
       "echo",
       "There is no new lkgr."
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "log"
   },
   {
     "cmd": [
       "git",
       "fetch",
       "https://chromium.googlesource.com/v8/v8",
       "+refs/heads/candidate:refs/heads/candidate"
     ],
     "cwd": "[SLAVE_BUILD]/v8",
@@ skipping 40 matching lines @@
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/timestamp.txt",
       "/path/to/tmp/"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "check timestamp"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/v8/tools/release/check_clusterfuzz.py",
       "--key-file",
       "[SLAVE_BUILD]/.cf_key",
       "--results-file",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "check clusterfuzz",
     "stderr": "/path/to/tmp/err",
     "stdout": "/path/to/tmp/out"
   },
   {
     "cmd": [
       "echo",
       "Current candidate is 10h old (limit: 8h)."
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "log (2)"
   },
   {
     "cmd": [
       "echo",
       "There is no new candidate."
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "log (3)"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]