update pathops to circle sort

src/pathops/SkOpContour.cpp

Index: src/pathops/SkOpContour.cpp
diff --git a/src/pathops/SkOpContour.cpp b/src/pathops/SkOpContour.cpp
index 874de381b199df57a957276a56cb0d2bc0a52764..db805a214f0315fed57daf73d0f5f98ee042f413 100644
--- a/src/pathops/SkOpContour.cpp
+++ b/src/pathops/SkOpContour.cpp
@@ -148,6 +148,16 @@ bool SkOpContour::addPartialCoincident(int index, SkOpContour* other, int otherI
     return true;
 }
 
+bool SkOpContour::calcAngles() {
+    int segmentCount = fSegments.count();
+    for (int test = 0; test < segmentCount; ++test) {
+        if (!fSegments[test].calcAngles()) {
+            return false;
+        }
+    }
+    return true;
+}
+
 void SkOpContour::calcCoincidentWinding() {
     int count = fCoincidences.count();
 #if DEBUG_CONCIDENT
@@ -277,6 +287,13 @@ void SkOpContour::calcCommonCoincidentWinding(const SkCoincidence& coincidence)
 #endif
 }
 
+void SkOpContour::sortAngles() {
+    int segmentCount = fSegments.count();
+    for (int test = 0; test < segmentCount; ++test) {
+        fSegments[test].sortAngles();
+    }
+}
+
 void SkOpContour::sortSegments() {
     int segmentCount = fSegments.count();
     fSortedSegments.push_back_n(segmentCount);