[autotest] Fix lucifer

BUG=chromium:748234
TEST=Run dummy suite locally

Change-Id: Ie4a686cac3d6894f08e73cbb85c281f3b7ac308e
Reviewed-on: https://chromium-review.googlesource.com/764429
Commit-Ready: Allen Li <ayatane@chromium.org>
Tested-by: Allen Li <ayatane@chromium.org>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
diff --git a/venv/lucifer/autotest.py b/venv/lucifer/autotest.py
index 602c4f4..08a49d8 100644
--- a/venv/lucifer/autotest.py
+++ b/venv/lucifer/autotest.py
@@ -42,6 +42,9 @@
     """
     monkeypatch()
 
+    # Add chromite's third-party to the import path.
+    import chromite
+
     # Needed to set up Django environment variables.
     load('frontend.setup_django_environment')
 
@@ -57,6 +60,10 @@
             'django.contrib.sites',
     )
 
+    # drone_utility uses this
+    common = load('scheduler.common')
+    common.autotest_dir = _AUTOTEST_DIR
+
 
 def monkeypatch():
     """Monkeypatch Autotest imports.