Revert "Revert "Add an option to allow/disallow degenerate DICE ..."

Revert submission 3260534-revert-3254876-disallow_degenerate_chains-RZRFZAKDEJ

Reason for revert: Breakage fixed

Reverted changes: /q/submissionid:3260534-revert-3254876-disallow_degenerate_chains-RZRFZAKDEJ

Change-Id: Ie148bce4247c58e0961eff7360789f9b2a9cce03
4 files changed