Freonize camera_V4L2 autotest

Do not add "--display" argument (which requires X) for freon. This is
not required for the test functionality, just for visual confirmation.

TODO: decide if we want to implement the preview window without X.

BUG=chromium:413074
TEST=passes autotest camera_V4L2 on daisy_freon

Change-Id: If119df81102da2ca3fbc59e7da25b3712ca10bf2
Reviewed-on: https://chromium-review.googlesource.com/220183
Tested-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Pawel Osciak <posciak@chromium.org>
Commit-Queue: Haixia Shi <hshi@chromium.org>
1 file changed