Update copyright headers

BUG=chromium:1098010
TEST=None

Change-Id: If6c1d0fffe2f3b6434a18fbb510790b30437b696
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/gestures/+/3966338
Reviewed-by: Sean O'Brien <seobrien@chromium.org>
Tested-by: Harry Cutts <hcutts@chromium.org>
Auto-Submit: Harry Cutts <hcutts@chromium.org>
Commit-Queue: Harry Cutts <hcutts@chromium.org>
114 files changed