Revert "apexer: remove --do_not_check_keyname"

Revert submission 2421101-remove-do_not_check_keyname

Reason for revert: b/268121306

Reverted changes: /q/submissionid:2421101-remove-do_not_check_keyname

Change-Id: If687cdd74d958e8337c0ce9556ced8abc9605c2a
3 files changed