Limit the reset range of inter_tx_size array
Limit the reset range of inter_tx_size array

Reset the effective range of inter_tx_size, instead of the entire
array in the rate-distortion optimization loop.

Change-Id: Id453fbd6dddfe69f4e451ba8518c083326d5dd53

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