Test suite to run images/yuv-decode-eligible with --enable-gpu-rasterization --disable-blink-features=DecodeLossyWebPImagesToYUV and --disable-blink-features=DecodeJpeg420ImagesToYUV.

YUV decoding is the default for many image decoding cases and receives test coverage through virtual/gpu-rasterization. This suite maintains coverage for images that do not use YUV decoding.