Update copyright headers in third_party/l*/

These files are used to import new versions of third-party code, to
integrate that code into Chromium, or are otherwise not from upstream.

The methodology used to generate this CL is documented in
https://crbug.com/1098010#c95.

No-Try: true
Bug: 1098010
Change-Id: I7c39eac60420c4c5d3968d723836fc6477eb5bfa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3937444
Reviewed-by: Mark Mentovai <mark@chromium.org>
Auto-Submit: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Owners-Override: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1056007}
NOKEYCHECK=True
GitOrigin-RevId: 505076bcaae379da9852d769e239b0ddf19263dc
2 files changed