msm: vidc: Update state check for buffer count verification

When session is in release_resources_done state, buffer counts
are not reliable. Hence driver should avoid verifying them.

CRs-Fixed: 2123579
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>
Signed-off-by: Karthikeyan Periasamy <kperiasa@codeaurora.org>
Change-Id: I686324d9f84be2470971b3e4e26e63aeefee0e94