devserver: Add quick_provision stage artifact.

BUG=chromium:779870
TEST=curl "http://${ds}/stage?archive_url=gs://chromeos-image-archive/${build}&artifacts=quick_provision"

Change-Id: I1b8949fdff93cba06d19a5264e1485741dd253bc
Reviewed-on: https://chromium-review.googlesource.com/751791
Commit-Ready: David Riley <davidriley@chromium.org>
Tested-by: David Riley <davidriley@chromium.org>
Reviewed-by: Xixuan Wu <xixuan@chromium.org>
diff --git a/build_artifact.py b/build_artifact.py
index 6b5739c..46cb4a8 100755
--- a/build_artifact.py
+++ b/build_artifact.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 
 # Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
@@ -49,6 +49,7 @@
 RECOVERY_IMAGE_FILE = 'recovery_image.tar.xz'
 LIBIOTA_TEST_BINARIES_FILE = 'test_binaries.tar.gz'
 LIBIOTA_BOARD_UTILS_FILE = 'board_utils.tar.gz'
+QUICK_PROVISION_FILE = 'full_dev_part_*.bin.gz'
 
 ############ Actual filenames of Android build artifacts ############
 
@@ -659,6 +660,8 @@
 _AddCrOSArtifact(artifact_info.FACTORY_SHIM_IMAGE, BundledArtifact,
                  FACTORY_SHIM_FILE,
                  files_to_extract=[devserver_constants.FACTORY_SHIM_IMAGE_FILE])
+_AddCrOSArtifact(artifact_info.QUICK_PROVISION, MultiArtifact,
+                 QUICK_PROVISION_FILE)
 
 # Add all the paygen_au artifacts in one go.
 for c in devserver_constants.CHANNELS: