SkTreatAsSprite should take AA into account

src/core/SkCanvas.cpp

Index: src/core/SkCanvas.cpp
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index e5ca9ce6c13f4edd40a2c2da396bdba99f6e35fa..a4acbdc94d118e2d6fe1b3cee023416f4a9efe28 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -2220,8 +2220,7 @@ bool SkCanvas::canDrawBitmapAsSprite(SkScalar x, SkScalar y, int w, int h, const
     }
 
     const SkMatrix& ctm = this->getTotalMatrix();
-    const unsigned kSubpixelBits = 0;   // matching SkDraw::drawBitmap()
-    if (!SkTreatAsSprite(ctm, w, h, kSubpixelBits)) {
+    if (!SkTreatAsSprite(ctm, SkISize::Make(w, h), paint)) {
         return false;
     }