gdbus-codegen: upgraded package to upstream

Upgraded dev-util/gdbus-codegen to version 2.64.4 on amd64

BUG=chromium:1111336
TEST=CQ passes

Change-Id: I5145c4c7e7af38e6437a164c323f684216037b53
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2334981
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Alex Klein <saklein@chromium.org>
Tested-by: Allen Webb <allenwebb@google.com>
6 files changed