Revert "vmlinux: Remove bulky vmlinu[zx] from rootfs again."

This reverts commit d04f917406f5ce3116028889b918dfbede86791b because it
is suspected to have broken amd-generic-tot-chromium-pfq-informational.

TEST=None
BUG=chromium:461595
BUG=chromium:827576

Change-Id: Ib7d346faae2ebdc63927ae26646964b1df0fcebe
Reviewed-on: https://chromium-review.googlesource.com/996023
Reviewed-by: Aditya Kali <adityakali@google.com>
Reviewed-by: Jason Clinton <jclinton@chromium.org>
Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Tested-by: Craig Bergstrom <craigb@chromium.org>
Commit-Queue: Craig Bergstrom <craigb@chromium.org>
3 files changed