Revert "kmsrtpendpoint: support AVP instead of AVPF"
Revert "kmsrtpendpoint: support AVP instead of AVPF"

This reverts commit 8d264786fc5b3fe5a375ca3057988595e45e9fd1.

Change-Id: I7cf831c49eac6688802b4ffc3dab378f740e9a13

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