Scale benchmark just the OPT and run C version once.
BUG=none
TEST=scale_test
Review URL: https://webrtc-codereview.appspot.com/929028

git-svn-id: http://libyuv.googlecode.com/svn/trunk@503 16f28f9a-4ce2-e073-06de-1de4eb20be90
6 files changed