Revert "Change ImportWrappedKeyTest to use ASN1." Revert submission 3061807-bcupdate Reason for revert: <Droidmonitor created revert due to b/355328058. Will be verifying through ABTD before submission.> Reverted changes: /q/submissionid:3061807-bcupdate Change-Id: I66fc63a6f852b48a8ce9c0cc2e35655f05bb89ea