seccomp: Fix copyright headers.

BUG=None
TEST=repo upload

Change-Id: I9fcad536b3d14b51c31b663347db872b272c1731
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/touch_updater/+/3942412
Reviewed-by: Sean O'Brien <seobrien@chromium.org>
Tested-by: Allen Webb <allenwebb@google.com>
Commit-Queue: Allen Webb <allenwebb@google.com>
50 files changed