httpendpoint: Set appsink caps from profile caps
httpendpoint: Set appsink caps from profile caps

Change-Id: Ic356b1d48dde68e5cb3289f0983fa9a1e869019a

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