Decode images during deserialization in the picture debugger.
Decode images during deserialization in the picture debugger.

Necessary now that our checked in SKPs have encoded bitmaps in them (since https://code.google.com/p/skia/source/detail?r=6317)

Review URL: https://codereview.appspot.com/6812093

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@6322 2bbb7eff-a529-9590-31e7-b0007b416f81

MatChung/color-emoji.skia,Frankie-666/color-emoji.skia,MatChung/color-emoji.skia,MatChung/color-emoji.skia,MatChung/color-emoji.skia,hbwhlklive/color-emoji.skia,Hankuo/color-emoji.skia,MatChung/color-emoji.skia,Hankuo/color-emoji.skia,hbwhlklive/color-emoji.skia,hbwhlklive/color-emoji.skia,Hankuo/color-emoji.skia,Frankie-666/color-emoji.skia,Frankie-666/color-emoji.skia,hbwhlklive/color-emoji.skia,Hankuo/color-emoji.skia,Hankuo/color-emoji.skia,Hankuo/color-emoji.skia,Frankie-666/color-emoji.skia,Frankie-666/color-emoji.skia,MatChung/color-emoji.skia,hbwhlklive/color-emoji.skia,hbwhlklive/color-emoji.skia,Frankie-666/color-emoji.skia