This only affects kIndex_8 Bitmaps, which can only be created by decoding particular images (e.g. GIF). Without locking the SkBitmap, colorTable() always returns NULL. Lock it so we can write the color table to the Parcel. BUG:26527976 Change-Id: Ifc54b06ca08db26ba6455a3830b7e671b64f37c4