cbuildbot_config: enable sync chrome for factory

We need the Chrome source on factory branches to build Chrome.
This was disabled in CL:344810, but we haven't passed since.

BUG=chromium:700813
TEST=None

Change-Id: Ifa618f723b5049b57fec0e1c97a9a2a380b4b629
Reviewed-on: https://chromium-review.googlesource.com/1142352
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
2 files changed