msm: vidc: queue output-1 buffers to FW

While seeking, FW returns all the buffers to host.
In multi-stream usecase like downscaling, the o/p
buffers need to be re-queued back to FW.

Change-Id: I5ea8534c06b3e48dadd4d73ab4432a13687a99c1
CRs-Fixed: 631827
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>