Use Analytic AA in SkAAClip

src/core/SkBitmapDevice.cpp

Index: src/core/SkBitmapDevice.cpp
diff --git a/src/core/SkBitmapDevice.cpp b/src/core/SkBitmapDevice.cpp
index 26d253cf38dae0ebb80f46a047c9e2eae8b15c50..e663cce1710bb3490ca4812d9fb57d3b8434c9c6 100644
--- a/src/core/SkBitmapDevice.cpp
+++ b/src/core/SkBitmapDevice.cpp
@@ -397,7 +397,7 @@ void SkBitmapDevice::drawSpecial(const SkDraw& draw, SkSpecialImage* srcImg, int
         SkAutoTUnref<SkImageFilterCache> cache(this->getImageFilterCache());
         SkImageFilter::OutputProperties outputProperties(fBitmap.colorSpace());
         SkImageFilter::Context ctx(matrix, clipBounds, cache.get(), outputProperties);
-        
+
         sk_sp<SkSpecialImage> resultImg(filter->filterImage(srcImg, ctx, &offset));
         if (resultImg) {
             SkPaint tmpUnfiltered(paint);