Use the Netflix helper plugin on Daisy.
Use the Netflix helper plugin on Daisy.

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

Change-Id: If6d7ad905130d515177af90d9f1da55cb09fa0dd
Reviewed-on: https://gerrit.chromium.org/gerrit/42880
Reviewed-by: David Dorwin <7285fc8420ade15dc45c0d23efd2156d30510c16@chromium.org>
Reviewed-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>
Commit-Queue: Xiaohan Wang <bb381fe471dcc258176d423b112ac22ee2549723@chromium.org>
Reviewed-by: Xiaohan Wang <bb381fe471dcc258176d423b112ac22ee2549723@chromium.org>
Tested-by: Xiaohan Wang <bb381fe471dcc258176d423b112ac22ee2549723@chromium.org>

coreos/chromite,zhang0137/chromite,bpsinc-native/src_third_party_chromite,coreos/chromite,zhang0137/chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,coreos/chromite,chadversary/chromiumos.chromite,zhang0137/chromite,bpsinc-native/src_third_party_chromite