pre-upload: don't require a particular comment style for license

License headers can be used in, e.g., plain text, or some other source
file format that doesn't require a leading space for other stylistic
reasons (e.g., .../platform2/shill/TESTING). So don't require it.

BUG=none
TEST=unit tests; also run against shill directory

Change-Id: I6a37b96485f03d649af7651724c18fb71bbd2f8b
Reviewed-on: https://chromium-review.googlesource.com/1247639
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
2 files changed