Merge "Use SRGB instead of nullptr when create hardware bitmap." into qt-dev

    SkColorType ct = uirenderer::PixelFormatToColorType(buffer->getPixelFormat());

    sk_sp<SkColorSpace> cs = uirenderer::DataSpaceToColorSpace(bufferItem.mDataSpace);

    if (cs == nullptr) {

        // nullptr is treated as SRGB in Skia, thus explicitly use SRGB in order to make sure

        // the returned bitmap has a color space.

        cs = SkColorSpace::MakeSRGB();

    }

    sk_sp<Bitmap> bitmap = Bitmap::createFrom(buffer, ct, cs);

    return bitmap::createBitmap(env, bitmap.release(),

            android::bitmap::kBitmapCreateFlag_Premultiplied);