Neon does 8 at a time, so a check is added for any function of I422ToBGRA that width is >= 8 and for fast path that it is a multiple of 8 not 16. BUG=373 TESTED=untested R=brucedawson@google.com
Neon does 8 at a time, so a check is added for any function of I422ToBGRA that width is >= 8 and for fast path that it is a multiple of 8 not 16.
BUG=373
TESTED=untested
R=brucedawson@google.com

Review URL: https://webrtc-codereview.appspot.com/24059004

git-svn-id: a51711482b6ba0e1d1ab095578a045eeae45ac9a@1126 16f28f9a-4ce2-e073-06de-1de4eb20be90

okumura/libyuv,lyx2014/yuv,yarrcc/libyuv-ios,lemenkov/libyuv,Bilibili/libyuv,okumura/libyuv,Bilibili/libyuv,disigma/yuv,xlncz/libyuv,godghdai/libyuv,PeterXu/libyuv,labdong801/libyuv,disigma/yuv,yarrcc/libyuv-ios,jpxiong/libyuv,labdong801/libyuv,lyx2014/yuv,xlncz/libyuv,jpxiong/libyuv,lyx2014/libyuv_free,okumura/libyuv,xlncz/libyuv,godghdai/libyuv,lemenkov/libyuv,lyx2014/libyuv_free,Bilibili/libyuv,disigma/yuv,openpeer/libyuv,yarrcc/libyuv-ios,PeterXu/libyuv,jpxiong/libyuv,openpeer/libyuv,lemenkov/libyuv,lyx2014/libyuv_free,lyx2014/yuv,lyx2014/yuv,labdong801/libyuv,PeterXu/libyuv,godghdai/libyuv,xlncz/libyuv,lemenkov/libyuv,openpeer/libyuv,lyx2014/libyuv_free,yarrcc/libyuv-ios