[media] lmedm04: add read snr, signal strength and ber call backs
[media] lmedm04: add read snr, signal strength and ber call backs

This allows calling the original functions providing the streaming is off.

Signed-off-by: Malcolm Priestley <123fd39c698f702285d09eaebae85efdff081c95@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@osg.samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs