Handle color bounds correctly in GIF decode. am: 0ada9456 am: ec73b0bb am: a7d4e89c am: 2fc0b7cc am: df56c4e6 am: 8b79a541 am: d0eb7d1d am: 28891015 am: 4d394a5d am: 05d50538 Change-Id: Ic2f68a088bf00813bd2c39decde82cfc2d7c81dc