Camera: VTS: Fix fence fd double close

Fence fd is closed when processCaptureResult returns. In order to
wait for the release fence *after* processCaptureResult returns,
the fence fd needs to be duped.

Test: Vendor testing
Bug: 241281568
Change-Id: Ib74f9bb141802713b476a2ef48a2252125a7915d
3 files changed