Revert "Remove perl from source tree"

This reverts commit d17dd068bd5786ff5214fe1fbed8e6fe06ff9d3e.

Reason for revert: perl packages are still needed by some packages in SDK e.g. sys-apps/texinfo and dev-util/intltool

Change-Id: I198e4f9a9b21489c5fd861eeceb8d9876a9597a9
Reviewed-on: https://cos-review.googlesource.com/c/third_party/overlays/portage-stable/+/73773
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
263 files changed