mm-video: vidc: Fix an issue in rcv file parsing

After reading start code from rcv file, the file pointer
need to be reset to the starting position. This is done
properly for v2 rcv file but not v1 rcv file. Add a change
to parse it properly.

Change-Id: I2f97d34d6a5ae2c42381749f86d830072a6b4efd
CRs-Fixed: 471488
1 file changed