xz-utils: upgraded package to upstream

Upgraded app-arch/xz-utils to version 5.2.0 on amd64, arm, x86.

xz-utils 5.2.0 includes a new multi-threaded algorithm that could
improve the compression/decompression in some cases. This is the
latest stable upsteam release. See the full release notes here:


TEST=cbuildbot --remote chromiumos-sdk

Change-Id: I39bdf916f04d7422faa06c8de0872c761b15bab1
Reviewed-on: https://chromium-review.googlesource.com/251872
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Trybot-Ready: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
4 files changed