zlib: upgraded package to upstream

Upgraded sys-libs/zlib to version 1.2.11-r4 on amd64, arm, arm64

We need the new build fix applied by Gentoo upstream in:
https://github.com/gentoo/gentoo/pull/23888

BUG=b:193847062
TEST=Local builds on x64, arm; CQ.

Change-Id: I3b04fbf76117eb0cda78d9b0c7ec41f16809db30
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3422636
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Adrian Ratiu <adrian.ratiu@collabora.corp-partner.google.com>
Auto-Submit: Adrian Ratiu <adrian.ratiu@collabora.corp-partner.google.com>
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
2 files changed