Handle color bounds correctly in GIF decode. am: 0ada9456 am: ec73b0bb am: a7d4e89c am: 2fc0b7cc am: df56c4e6 am: 8b79a541 am: d0eb7d1d am: 28891015 Change-Id: Idf3f84693f6cf98cc51309a708d2ea88a3cdbb58