pre-upload: ignore generated Go protobuf bindings

BUG=chromium:989573
TEST=unittests pass

Change-Id: I3b0e43b71641c369390238d365fb88e1adb192d2
Reviewed-on: https://chromium-review.googlesource.com/1729627
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Alex Klein <saklein@chromium.org>
1 file changed