GitLab

This change adds a feature flag for caBLE for Windows and disables it
by default.

Bug: 821766, 837088
Change-Id: I2f87be1854a3fc64d23c9a0493eaecf0ee73668b
Reviewed-on: https://chromium-review.googlesource.com/1187146
Commit-Queue: Balazs Engedy <engedy@chromium.org>
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#585821}