Clean up Ganesh path render a little bit

src/gpu/SkGpuDevice_drawTexture.cpp

Index: src/gpu/SkGpuDevice_drawTexture.cpp
diff --git a/src/gpu/SkGpuDevice_drawTexture.cpp b/src/gpu/SkGpuDevice_drawTexture.cpp
index 6a43d37762bc705ec3c013800a8e66ba81607bdc..443bcf102b2d783ceb594d3556976388f9d101cc 100644
--- a/src/gpu/SkGpuDevice_drawTexture.cpp
+++ b/src/gpu/SkGpuDevice_drawTexture.cpp
@@ -233,7 +233,8 @@ void SkGpuDevice::drawTextureProducerImpl(GrTextureProducer* producer,
     }
     SkPath rectPath;
     rectPath.addRect(clippedDstRect);
+    rectPath.setIsVolatile(true);
     GrBlurUtils::drawPathWithMaskFilter(this->context(), fDrawContext, fRenderTarget, fClip,
                                         rectPath, &grPaint, viewMatrix, mf, paint.getPathEffect(),
-                                        GrStrokeInfo::FillInfo());
+                                        GrStrokeInfo::FillInfo(), true);
 }