msm: vidc: Add support to process EBD flags

FW returns UNSUPPORTED_INPUT flags in EBD message if
the bitstream is not supported by Venus FW. This needs
to be informed to client to handle the session properly.

Change-Id: Ib5048f6edb69511c2f4ab6cbf481e11302de00fb
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>