autotest: Use translation utils in skylab_inventlry to parse autotest labels.

Verified task:
https://chromeos-swarming.appspot.com/task?id=42c3cb8a09a01e10&refresh=10&request_detail=true

BUG=chromium:873886
TEST=bin/run_suite_skylab --pool=suites --board=nyan_blaze --suite_name=sanity --build=nyan_blaze-paladin/R70-10974.0.0-rc1 --priority 50 --timeout_mins 30 --test_retry --max_retries 5

Change-Id: Ib413f2e477b8677d88c127753176c1eb7dd9eb3e
Reviewed-on: https://chromium-review.googlesource.com/1448822
Commit-Ready: Xixuan Wu <xixuan@chromium.org>
Tested-by: Xixuan Wu <xixuan@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
diff --git a/venv/lucifer/autotest.py b/venv/lucifer/autotest.py
index 60f984e..6796684 100644
--- a/venv/lucifer/autotest.py
+++ b/venv/lucifer/autotest.py
@@ -175,7 +175,7 @@
 
 
 def deps_load(name):
-    """Import module from chromite.lib.
+    """Import module from dependencies, e.g. site-package.
 
     This enforces that monkeypatch() is called first.