Reactivate SSSE3 optimizations, undoing r3770.

This will break Android x86 clients; they will need to work around, and
hopefully can resubmit a patch to do so that doesn't disable SSSE3 on
all other platforms (20-30% performance penalty).

http://codereview.appspot.com/6201070/



git-svn-id: http://skia.googlecode.com/svn/trunk@3901 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed