Update Metadata Cache

Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8746543400149372209
Change-Id: I6819c42c278b3d1ee5069a03370076278a27159c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/5584004
Bot-Commit: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
2 files changed