Adjust tolerance to fix GPU hairline curve issues

src/gpu/GrAAHairLinePathRenderer.cpp

Index: src/gpu/GrAAHairLinePathRenderer.cpp
diff --git a/src/gpu/GrAAHairLinePathRenderer.cpp b/src/gpu/GrAAHairLinePathRenderer.cpp
index f046af871f5ef1dab82218130e02defc63480e67..8110bf65e8db74120601661c042bf43fe0824b99 100644
--- a/src/gpu/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/GrAAHairLinePathRenderer.cpp
@@ -171,7 +171,7 @@ static int chop_conic(const SkPoint src[3], SkConic dst[4], const SkScalar weigh
 // in this case approx the path with lines
 // otherwise returns 1
 static int is_degen_quad_or_conic(const SkPoint p[3], SkScalar* dsqd) {
-    static const SkScalar gDegenerateToLineTol = SK_Scalar1;
+    static const SkScalar gDegenerateToLineTol = GrPathUtils::kDefaultTolerance;
     static const SkScalar gDegenerateToLineTolSqd =
         SkScalarMul(gDegenerateToLineTol, gDegenerateToLineTol);