Fix a bug in search_txk_type()
Fix a bug in search_txk_type()

Set skip in best_rd_stats to 1 when best_eob is 0

Change-Id: I0a3150752e920d2a852a04a9941a009b687a55c2

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