Fix pointer-events crash in catalyst-ios when running RNTester in legacy mode

Summary: Changelog: [Internal] Fix pointer-events setter crash in Paper

Reviewed By: appden

Differential Revision: D35617077

fbshipit-source-id: 975840a2474235a027279035ac327e9eb88d3f08

Author: vincentriemer

React/Views/RCTView.h

@@ -103,4 +103,14 @@ extern const UIAccessibilityTraits SwitchAccessibilityTrait;
  */
 @property (nonatomic, assign) UIEdgeInsets hitTestEdgeInsets;
 
+/**
+ * (Experimental and unused for Paper) Pointer event handlers.
+ */
+@property (nonatomic, assign) RCTBubblingEventBlock onPointerCancel;
+@property (nonatomic, assign) RCTBubblingEventBlock onPointerDown;
+@property (nonatomic, assign) RCTBubblingEventBlock onPointerMove2;
+@property (nonatomic, assign) RCTBubblingEventBlock onPointerUp;
+@property (nonatomic, assign) RCTCapturingEventBlock onPointerEnter2;
+@property (nonatomic, assign) RCTCapturingEventBlock onPointerLeave2;
+
 @end