Revert of Force SkPath::getConvexity() cache for thread safety.

src/core/SkLiteDL.cpp

Index: src/core/SkLiteDL.cpp
diff --git a/src/core/SkLiteDL.cpp b/src/core/SkLiteDL.cpp
index b88f7bc62c41a45ed26b64867f8dbc1dd2c092c2..fee6de385c7e84cbcd6716e0c4688fc34981dafd 100644
--- a/src/core/SkLiteDL.cpp
+++ b/src/core/SkLiteDL.cpp
@@ -43,10 +43,7 @@
 
 // Pre-cache lazy non-threadsafe fields on SkPath and/or SkMatrix.
 static void make_threadsafe(SkPath* path, SkMatrix* matrix) {
-    if (path) {
-        path->updateBoundsCache();
-        (void)path->getConvexity();
-    }
+    if (path)   { path->updateBoundsCache(); }
     if (matrix) { (void)matrix->getType(); }
 }