Merge "Avoid sampling outside BQ crop rect" into sc-dev

    SkPaint paint;

    paint.setAlpha(255);

    paint.setBlendMode(SkBlendMode::kSrc);

    canvas->drawImageRect(image, imageSrcRect, imageDstRect, sampling, &paint,

                          SkCanvas::kFast_SrcRectConstraint);

    const bool hasBufferCrop = cropRect.left < cropRect.right && cropRect.top < cropRect.bottom;

    auto constraint =

            hasBufferCrop ? SkCanvas::kStrict_SrcRectConstraint : SkCanvas::kFast_SrcRectConstraint;

    canvas->drawImageRect(image, imageSrcRect, imageDstRect, sampling, &paint, constraint);

    canvas->restore();

    if (!tmpSurface->readPixels(*bitmap, 0, 0)) {