gzip: upgraded package to upstream

Upgraded app-arch/gzip to version 1.8 for all

BUG=chromium:617950
TEST=precq passes

Change-Id: Ife6d0645a4463b84cb43baf6525c0560c2b0d31f
Reviewed-on: https://chromium-review.googlesource.com/368600
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
9 files changed