remove align16 macro BUG=none TEST=none Review URL: http://webrtc-codereview.appspot.com/266012
remove align16 macro
BUG=none
TEST=none
Review URL: http://webrtc-codereview.appspot.com/266012
flykickbird/libyuv,flykickbird/libyuv,flykickbird/libyuv