MinArfFreqTest: Don't leak video on failure.
MinArfFreqTest: Don't leak video on failure.

Change-Id: I250379f0ac8d4929c9032e7343290e2980fc2e77

Topopiccione/libvpx,webmproject/libvpx,mwgoldsmith/libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,mwgoldsmith/vpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,mwgoldsmith/libvpx,ShiftMediaProject/libvpx,mwgoldsmith/vpx,Topopiccione/libvpx,mwgoldsmith/libvpx,mwgoldsmith/libvpx,mwgoldsmith/vpx,webmproject/libvpx,mwgoldsmith/libvpx,ShiftMediaProject/libvpx,mwgoldsmith/vpx,mwgoldsmith/vpx,mwgoldsmith/libvpx,Topopiccione/libvpx,webmproject/libvpx,Topopiccione/libvpx,webmproject/libvpx,Topopiccione/libvpx,mwgoldsmith/vpx