[automerger skipped] Fix how certificate is parsed from CarrierConfig as ByteArray
am: 5d76355e -s ours
am skip reason: change_id Idec7ca72252f92736fb78f77e4e12d6bf86bb1fe with SHA1 67f33b48 is in history
Change-Id: Ib88c186a559a6fb7dd799c864912a30f20bb733b