update_chroot: Don't record post-cross pkgs to world set

host-post-cross packages are toolchain packages and shouldn't be rebuilt
as part of regularly updating the @world set. There is a separate pass
in update_chroot to update toolchain packages when binary prebuilts are
available for new versions.

BUG=chromium:1012966
TEST=None

Change-Id: I896175b35df378f9b27c171edcdcc9cbc642606e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/1853570
Tested-by: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Commit-Queue: Chris McDonald <cjmcdonald@chromium.org>
1 file changed