Use the Netflix helper plugin on Daisy.

BUG=chrome-os-partner:5255
TEST=Remote trybot run of daisy-release; cbuildbot_config_unittest.py.

Reviewed-on: https://gerrit.chromium.org/gerrit/42880
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Xiaohan Wang <xhwang@chromium.org>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Tested-by: Xiaohan Wang <xhwang@chromium.org>
(cherry picked from commit 9a6c8f2b5c613ac5be23de59852dd54b5ca64b68)

Change-Id: I6a42f56c00f380511fcede8aee69eae1601dbf83
Reviewed-on: https://gerrit.chromium.org/gerrit/42918
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Commit-Queue: Xiaohan Wang <xhwang@chromium.org>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Tested-by: Xiaohan Wang <xhwang@chromium.org>
diff --git a/buildbot/cbuildbot_config.py b/buildbot/cbuildbot_config.py
index bf5c147..f730e42 100755
--- a/buildbot/cbuildbot_config.py
+++ b/buildbot/cbuildbot_config.py
@@ -1099,7 +1099,7 @@
 
 _arm_release.add_config('daisy-release',
   boards=['daisy'],
-  useflags=official['useflags'] + ['widevine_cdm'],
+  useflags=official['useflags'] + ['widevine_cdm', 'netflix-helper'],
   hw_tests=['bvt'],
   hw_tests_num=4,
   critical_for_chrome=True,
@@ -1107,7 +1107,7 @@
 
 _arm_release.add_config('spring-release',
   boards=['daisy_spring'],
-  useflags=official['useflags'] + ['widevine_cdm'],
+  useflags=official['useflags'] + ['widevine_cdm', 'netflix-helper'],
 )
 
 # Factory and Firmware releases much inherit from these classes.  Modifications