profiles/*: pull in portage/ metadata

Pull in all the metadata that we use from portage/ so that portage-stable/
itself can be standalone.  These should be fairly impotent since many of
the files are not directly used, and the updates/ were processed long ago.

BUG=chromium-os:26016
TEST=build_packages+build_image boots x86
TEST=`cbuildbot amd64-generic-full` works
TEST=`cbuildbot arm-generic-full` works
TEST=`cbuildbot x86-generic-full` works
TEST=`cbuildbot chromiumos-sdk` works

Change-Id: Iad437a000b5d11b112c25d2ba178612c885a8679
Reviewed-on: https://gerrit.chromium.org/gerrit/16303
Reviewed-by: David James <davidjames@chromium.org>
Reviewed-by: Brian Harring <ferringb@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
56 files changed