Fix test case name for yuv_temporal_filter
Fix test case name for yuv_temporal_filter

This should fix valgrind's failure.

BUG=webm:1591

Change-Id: Idab2d6281484c36e6de193d6f45d13f97762625e

ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,webmproject/libvpx