lbzip2: upgraded package to upstream

Upgraded app-arch/lbzip2 to version 2.5_p20181227-r1.

BUG=None
TEST=CQ passes

Change-Id: I3b1c160116c7c398ceeeda6517ddaee9300a2881
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2923079
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Sergey Frolov <sfrolov@google.com>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
5 files changed