Use write_modes_b_wrapper throughout.
Use write_modes_b_wrapper throughout.

Change-Id: Ifbef3aa6e6b0dbc3701a9ef91b8b685a918d84f4

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