Roll recipe dependencies (nontrivial).

scripts/slave/recipes/v8.expected/full_client_v8_V8_Deopt_Fuzzer.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::git]/resources/git_setup.py",
       "--path",
       "[SLAVE_BUILD]/swarming.client",
       "--url",
       "https://chromium.googlesource.com/external/swarming.client.git"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "git setup (swarming_client)"
   },
   {
     "cmd": [
       "git",
       "retry",
       "fetch",
       "origin",
       "[dummy swarming client hash]"
     ],
@@ skipping 57 matching lines @@
       "@@@SET_BUILD_PROPERTY@got_revision@\"20123\"@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/swarming.client/swarming.py",
       "--version"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "swarming.py --version",
     "stdout": "/path/to/tmp/",
     "~followup_annotations": [
       "@@@STEP_TEXT@0.4.10@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
@@ skipping 57 matching lines @@
       "--mode",
       "Release",
       "--arch",
       "ia32",
       "--progress",
       "verbose",
       "--buildbot",
       "--coverage=0.4",
       "--distribution-mode=smooth"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "[trigger] Deopt Fuzz on Ubuntu-12.04",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"Deopt Fuzz/Ubuntu-12.04/[dummy has/V8 Deopt Fuzzer/571\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"Deopt Fuzz/Ubuntu-12.04/[dummy has/V8 Deopt Fuzzer/571\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
@@ skipping 12 matching lines @@
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--shards",
       "1",
       "Deopt Fuzz/Ubuntu-12.04/[dummy has/V8 Deopt Fuzzer/571",
       "--task-summary-json",
       "/path/to/tmp/json"
     ],
-    "cwd": "[SLAVE_BUILD]",
     "name": "Deopt Fuzz on Ubuntu-12.04",
     "~followup_annotations": [
       "@@@STEP_TEXT@swarming pending 71s@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"shards\": [@@@",
       "@@@STEP_LOG_LINE@json.output@    {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"abandoned_ts\": null, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"bot_id\": \"vm30\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"completed_ts\": \"2014-09-25T01:42:00.123\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"created_ts\": \"2014-09-25T01:41:00.123\", @@@",
@@ skipping 30 matching lines @@
       "@@@STEP_LOG_END@json.output@@@",
       "@@@STEP_LINK@shard #0 isolated out@blah@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]