Use build_cur_mv to update non-new mv
Use build_cur_mv to update non-new mv

The new mv will be updated in handle_newmv()
PSNR stats remain unchanged

Change-Id: I172353cf301636e59b9ce68f4548a6a7bb03a8b1

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom