Fix style property bits

Summary: Style bits had overlap, because `dimensionBit` was set with an incorrect increment.

Reviewed By: SidharthGuglani

Differential Revision: D15335134

fbshipit-source-id: 370e1a73547d76b0e26bc6ab67acb96d33ddf180

ReactCommon/yoga/yoga/YGStyle.h

@@ -137,7 +137,7 @@ public:
   static constexpr int borderBit =
       paddingBit + facebook::yoga::enums::count<YGEdge>();
   static constexpr int dimensionsBit =
-      borderBit + facebook::yoga::enums::count<YGDimension>();
+      borderBit + facebook::yoga::enums::count<YGEdge>();
   static constexpr int maxDimensionsBit =
       dimensionsBit + facebook::yoga::enums::count<YGDimension>();
   static constexpr int minDimensionsBit =
@@ -145,6 +145,8 @@ public:
   static constexpr int aspectRatioBit =
       minDimensionsBit + facebook::yoga::enums::count<YGDimension>();
 
+  static constexpr int numStyles = aspectRatioBit + 1;
+
 private:
   std::bitset<aspectRatioBit + 1> assignedProps_;