lvm2: upgraded package to upstream

Upgraded sys-fs/lvm2 to version 2.03.20 on amd64

Replace usev with usex since we downgraded the ebuild from EAPI 8.

When thin volume is enabled, lvm USE flag needs to be enabled as well.

BUG=b:271877758
TEST=emerge on brya, CQ.

Cq-Depend: chromium:4569350
Change-Id: I68642d21449ae9f9cbc7b87346e07580e6329dd3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/4557736
Reviewed-by: Sarthak Kukreti <sarthakkukreti@google.com>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Commit-Queue: Gwendal Grignou <gwendal@chromium.org>
37 files changed