kmsbasertpendpoint: use bundle property
kmsbasertpendpoint: use bundle property

This can be useful for child classes

Change-Id: I629fa30e723288669ef4898b4305cf55e5d689d4

ESTOS/kms-core,Kurento/kms-core,Kurento/kms-core,Kurento/kms-core,shelsonjava/kms-core,Kurento/kms-core,shelsonjava/kms-core,TribeMedia/kms-core,ESTOS/kms-core,TribeMedia/kms-core,ESTOS/kms-core,ESTOS/kms-core,shelsonjava/kms-core,TribeMedia/kms-core,TribeMedia/kms-core,shelsonjava/kms-core