Revert of use reversePathTo in place of addPathReverse

src/pathops/SkPathWriter.cpp

Index: src/pathops/SkPathWriter.cpp
diff --git a/src/pathops/SkPathWriter.cpp b/src/pathops/SkPathWriter.cpp
index 9893a502caab83030a6848a7afb348927a103937..c94809e8ecc183784f8cd0337953df7c76b74b17 100644
--- a/src/pathops/SkPathWriter.cpp
+++ b/src/pathops/SkPathWriter.cpp
@@ -306,7 +306,7 @@
                         first ? SkPath::kAppend_AddPathMode : SkPath::kExtend_AddPathMode);
             } else {
                 SkASSERT(!first);
-                fPathPtr->reversePathTo(contour);
+                fPathPtr->reverseAddPath(contour);
             }
             if (first) {
                 first = false;