media: initialize dequeue counter in buffer info

Uninitialized dequeue counter in buffer info may contain
garbage value, which potentially results in unexpected
behavior while accessing, hence initialize it.

Author: Malathi Gottam<mgottam@codeaurora.org>

Bug: 70919418
Test: TBD
Change-Id: I59aaa30f060f6b3514647a159db6eb73535df86d
1 file changed