confcontroller: Add queue between encodebin and sink elements

Change-Id: Ib998b6fdc31c15bae7438de3f8e564c2756feca8
confcontroller: Set sync property in appsink to TRUE

Change-Id: I9b9c92b361f994365d68006eddfc57cc1c0b9b09
confconfig: Fix typo in comment

Change-Id: Ibf6226c73757a64a833676acef9b5060f65cb348
recorderendpoint: Set blocksize property in souphttpclientsink to 1 MB

Change-Id: I17773274dbb474e70a47bdefa73a3d0df2691dd3