pager: refresh for newer EAPI

BUG=None
TEST=CQ passes

Change-Id: Ib2294c83d54270ba77859ffb3bcd7c7c8683f7b0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2940947
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
2 files changed