Switching Skia to chromium's libjpeg-turbo Compile SkJpegCodec and SkImageDecoder_libjpeg with chromium's libjpeg-turbo. SkImageDecoder_libjpeg still uses libjpeg on Android and the Android framework. SkJpegCodec is still not compiled on the Android framework. BUG=skia: Review URL: https://codereview.chromium.org/1275773004