Use dst copies in porter duffer XP to correctly render certain blends.

src/gpu/GrInOrderDrawBuffer.cpp

Index: src/gpu/GrInOrderDrawBuffer.cpp
diff --git a/src/gpu/GrInOrderDrawBuffer.cpp b/src/gpu/GrInOrderDrawBuffer.cpp
index 77ce88a26b86640d09375b58d8aeeb76694f2223..ec3903782a2bccd3a48e113a369e4bf70f4b3bba 100644
--- a/src/gpu/GrInOrderDrawBuffer.cpp
+++ b/src/gpu/GrInOrderDrawBuffer.cpp
@@ -576,6 +576,7 @@ bool GrInOrderDrawBuffer::onCopySurface(GrSurface* dst,
                                         const SkIRect& srcRect,
                                         const SkIPoint& dstPoint) {
     if (getGpu()->canCopySurface(dst, src, srcRect, dstPoint)) {
+        this->closeBatch();
         CopySurface* cs = GrNEW_APPEND_TO_RECORDER(fCmdBuffer, CopySurface, (dst, src));
         cs->fSrcRect = srcRect;
         cs->fDstPoint = dstPoint;