Loopfilter extension to cover 64x64 txfms
Loopfilter extension to cover 64x64 txfms

Change-Id: I8e02440bfe8e7cb7bb7e92c464981e184367b773

mbebenita/aom,luctrudeau/aom,mbebenita/aom,smarter/aom,luctrudeau/aom,GrokImageCompression/aom,GrokImageCompression/aom,mbebenita/aom,mbebenita/aom,luctrudeau/aom,GrokImageCompression/aom,smarter/aom,smarter/aom,GrokImageCompression/aom,mbebenita/aom,luctrudeau/aom,luctrudeau/aom,GrokImageCompression/aom,mbebenita/aom,mbebenita/aom,luctrudeau/aom,mbebenita/aom,smarter/aom,smarter/aom,GrokImageCompression/aom,mbebenita/aom,smarter/aom