Roll recipe dependencies (nontrivial).

recipes/recipes/try_recipe.expected/default.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--spec",
       "cache_dir = '[GIT_CACHE]'\nsolutions = [{'deps_file': '.DEPS.git', 'managed': True, 'name': 'build', 'url': 'https://chromium.googlesource.com/chromium/tools/build.git'}]",
       "--patch_root",
       "build",
@@ skipping 41 matching lines @@
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@SET_BUILD_PROPERTY@got_revision@\"80754af91bfb6d1073585b046fe0a474ce868509\"@@@",
       "@@@SET_BUILD_PROPERTY@got_revision_cp@\"refs/heads/master@{#270553}\"@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[SLAVE_BUILD]/build/scripts/slave/recipes.py",
+      "[START_DIR]/build/scripts/slave/recipes.py",
       "fetch"
     ],
     "name": "fetch recipe engine deps"
   },
   {
     "cmd": [],
     "name": "properties (0)",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@properties@{@@@",
       "@@@STEP_LOG_LINE@properties@  \"buildername\": \"recipe_try\", @@@",
       "@@@STEP_LOG_LINE@properties@  \"buildnumber\": 571, @@@",
       "@@@STEP_LOG_LINE@properties@  \"mastername\": \"tryserver.infra\", @@@",
       "@@@STEP_LOG_LINE@properties@  \"prop1\": \"value1\", @@@",
       "@@@STEP_LOG_LINE@properties@  \"prop2\": \"value2\", @@@",
       "@@@STEP_LOG_LINE@properties@  \"slavename\": \"TestSlavename\", @@@",
       "@@@STEP_LOG_LINE@properties@  \"try_level\": 1@@@",
       "@@@STEP_LOG_LINE@properties@}@@@",
       "@@@STEP_LOG_END@properties@@@"
     ]
   },
   {
     "allow_subannotations": true,
     "cmd": [
       "python",
       "-u",
-      "[SLAVE_BUILD]/build/scripts/tools/annotee_indenter.py",
+      "[START_DIR]/build/scripts/tools/annotee_indenter.py",
       "--base-level",
       "1",
       "--use-python-executable",
       "--",
-      "[SLAVE_BUILD]/build/scripts/slave/recipes.py",
+      "[START_DIR]/build/scripts/slave/recipes.py",
       "run",
       "--properties-file",
       "{\"buildername\": \"recipe_try\", \"buildnumber\": 571, \"mastername\": \"tryserver.infra\", \"prop1\": \"value1\", \"prop2\": \"value2\", \"slavename\": \"TestSlavename\", \"try_level\": 1}",
       "infra/build_repo_real_try"
     ],
     "name": "infra.build_repo_real_try run"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]