kmssdpsession: Use new agent's API
kmssdpsession: Use new agent's API

Change-Id: I6d9936d78c3c1d636bf7bc6d780a2f477fe91759

Kurento/kms-core,Kurento/kms-core,ESTOS/kms-core,Kurento/kms-core,Kurento/kms-core,ESTOS/kms-core,ESTOS/kms-core,ESTOS/kms-core