Fix base range counter index in lv-map decoding
Fix base range counter index in lv-map decoding

Fix the index order of br_idx.

Change-Id: I55acda816d1ec33c25ca4c31b09976f5e6f9c562

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