media: dvb: Add initialization of PES error indicators

Following SDMX notification on PES data, the errors indicators
for PES event were not cleared if SDMX did not report any error.

CRs-Fixed: 493108
Change-Id: I89b43ce193b96462b804848c5e484d25343d5f40
Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>