BUG=136
TEST=sudo LIBYUV_REPEAT=1000 nice --5 ./libyuv_unittest --gtest_filter=*565* | grep ms
Review URL: https://webrtc-codereview.appspot.com/965004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@452 16f28f9a-4ce2-e073-06de-1de4eb20be90