webrtcendpoint: change uint remb params to int
webrtcendpoint: change uint remb params to int

Change-Id: I8e4fa5ce6994549b7f108567e088d1fef10d2263

shelsonjava/kms-elements,shelsonjava/kms-elements,TribeMedia/kms-elements,TribeMedia/kms-elements,TribeMedia/kms-elements,shelsonjava/kms-elements