shflags: upgraded package to upstream

Upgraded dev-util/shflags to version 1.2.3 on amd64, arm

BUG=chromium:1201414
TEST=emerge shflags
TEST=dump_vpd_log --force --full --stdout

Change-Id: I58ff02ebc2cd331c04f199a1736b2606ec0f30b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2845460
Tested-by: Dan Callaghan <dcallagh@chromium.org>
Auto-Submit: Dan Callaghan <dcallagh@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
6 files changed