gcab: upgraded package to upstream

Upgraded app-arch/gcab to version 1.4 on amd64, arm

BUG=chromium:1135855
TEST=Pushed to test device (puff) and tried out gcab binary. Other than
it reporting a different --version, I couldn't find any change. Tried
archive creation and extraction.

Change-Id: I807e26b7d4c0dded8b167dc16363f21a8cc060b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2497349
Reviewed-by: Daniel Campello <campello@chromium.org>
Tested-by: David Lattimore <dml@chromium.org>
Commit-Queue: David Lattimore <dml@chromium.org>
5 files changed