HW Acceleration support for stroked arcs with BUTT caps

bug:4419017

Change-Id: I7371bfb36cef460da861a47d4d945218c6d0c3d0
diff --git a/libs/hwui/PathRenderer.h b/libs/hwui/PathRenderer.h
index 28a5b90..e9f347b 100644
--- a/libs/hwui/PathRenderer.h
+++ b/libs/hwui/PathRenderer.h
@@ -71,10 +71,8 @@
             const mat4 *transform, VertexBuffer& vertexBuffer);
 
 private:
-    static void convexPathPerimeterVertices(
-        const SkPath &path,
-        float sqrInvScaleX, float sqrInvScaleY,
-        Vector<Vertex> &outputVertices);
+    static bool convexPathPerimeterVertices(const SkPath &path, bool forceClose,
+        float sqrInvScaleX, float sqrInvScaleY, Vector<Vertex> &outputVertices);
 
 /*
   endpoints a & b,