gsutil: use depot_tools.gsutil_py_path instead of path['depot_tools']

scripts/slave/recipes/perf/telemetry_generate_large_profile.expected/linux.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "master.chromium.perf.fyi",
       "--builder",
       "TestBuilder",
@@ skipping 132 matching lines @@
     ],
     "name": "Zip Large Profile",
     "stdin": "{\"entries\": [{\"path\": \"[TMP_BASE]/large-profile_tmp_1\", \"type\": \"dir\"}], \"output\": \"[TMP_BASE]/zipped-profile_tmp_2/large_profile.zip\", \"root\": \"[TMP_BASE]/large-profile_tmp_1\"}"
   },
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[build::gsutil]/resources/gsutil_wrapper.py",
       "--",
-      "[DEPOT_TOOLS]/gsutil.py",
+      "RECIPE_PACKAGE_REPO[depot_tools]/gsutil.py",
       "----",
       "cp",
       "[TMP_BASE]/zipped-profile_tmp_2/large_profile.zip",
       "gs://chrome-partner-telemetry/large_profile/linux"
     ],
     "name": "gsutil upload",
     "~followup_annotations": [
       "@@@STEP_LINK@gsutil.upload@https://storage.cloud.google.com/chrome-partner-telemetry/large_profile/linux@@@"
     ]
   },
@@ skipping 34 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@  chromium_utils.RemoveDirectory(sys.argv[1])@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]