Fix has_top_right() logic
Fix has_top_right() logic

If a coding block is in the top row of a 64x64 (or 128x128) block,
its top-right corner should be available. No major coding performance
change is observed.

Change-Id: I0ee23db313cd53b34b7bc28230705f1cb1f8fe89

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