Make DecodeMemoryToTarget handle more configs.
Make DecodeMemoryToTarget handle more configs.

In SkImageDecoder::DecodeMemoryToTarget, if SkBitmapToImageInfo fails due to an unsupported config, copy to 8888.

Needed for https://codereview.chromium.org/15145004/ and
https://codereview.chromium.org/12851012/ for all bitmaps to be
decoded properly in render_pictures and bench_pictures.

R=reed@google.com

Review URL: https://codereview.chromium.org/14772035

git-svn-id: e8541e15acce502a64c929015570ad1648e548cd@9196 2bbb7eff-a529-9590-31e7-b0007b416f81

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