media: dvb: Pass error statistics to video consumer

Consumer of video data from mpq-stream-buffer may
use error statistics attached to each video frame
to decide whether to decode or drop the video frame.

Continuity counter errors were added to debug-fs.

Change-Id: I98a9fba2ab78e5538776742c57363f19ee6532bf
Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>