added support for PLS path rendering

src/effects/SkPixelXorXfermode.cpp

Index: src/effects/SkPixelXorXfermode.cpp
diff --git a/src/effects/SkPixelXorXfermode.cpp b/src/effects/SkPixelXorXfermode.cpp
index e0ae146dda5886a4e74d14b0a29b4c08245c0c6b..94fb8df09f70deecb2dec2832dbad10f62500b0b 100644
--- a/src/effects/SkPixelXorXfermode.cpp
+++ b/src/effects/SkPixelXorXfermode.cpp
@@ -344,7 +344,7 @@ private:
         return new PixelXorXP(dstTexture, hasMixedSamples, fOpColor);
     }
 
-    bool willReadDstColor(const GrCaps& caps,
+    bool onWillReadDstColor(const GrCaps& caps,
                           const GrPipelineOptimizations& optimizations,
                           bool hasMixedSamples) const override {
         return true;