msm: vidc: Enhance HW capabilities parsing

    - HW sends all the capabilities in SYS_INIT_DONE only. Hence
          remove the parsing from SESSION_INIT_DONE.
    - Add parsing logic for new capabilities.

CRs-Fixed: 2006193
Change-Id: I08484995f3437806751aa37c4b036f7ab42b371c
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>
Signed-off-by: Chinmay Sawarkar <chinmays@codeaurora.org>