Update Metadata Cache

Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8753468468637400849
Change-Id: Ia696c39c0785cf3ac6565950ca24cdf5a12fd2a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/5372625
Bot-Commit: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
3 files changed