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a0a488554d
Fix the lossless decoder for the case when it has to apply other inverse transforms before applying Color indexing inverse transform. The main idea is to make ColorIndexingInverse virtually in-place: we use the fact that the argb_cache is allocated to accommodate all *unpacked* pixels of a macro-row, not just *packed* pixels. Change-Id: I27f11f3043f863dfd753cc2580bc5b36376800c4