Add python-xlib to factory toolkit.

BUG=chrome-os-partner:29583
TEST=manually make factory toolkit and verify

Change-Id: I94aa3aff2f25fd3c4d8d8cc7a6044ef602fe967b
Reviewed-on: https://chromium-review.googlesource.com/205641
Reviewed-by: Ricky Liang <jcliang@chromium.org>
Commit-Queue: Ricky Liang <jcliang@chromium.org>
Tested-by: Ricky Liang <jcliang@chromium.org>
1 file changed