Fix args passed when measuring Androidwitch

Summary: The first argument to `View.MeasureSpec.makeMeasureSpec` should be positive, but was being passed WRAP_CONTENT, which is negative. This diff fixes that.

Reviewed By: achen1

Differential Revision: D6601683

fbshipit-source-id: 6d8499830f7b6da40848bab77d5ddbbb8a6fe44f

ReactAndroid/src/main/java/com/facebook/react/views/switchview/ReactSwitchManager.java

@@ -62,7 +62,7 @@ public class ReactSwitchManager extends SimpleViewManager<ReactSwitch> {
         ReactSwitch reactSwitch = new ReactSwitch(getThemedContext());
         reactSwitch.setShowText(false);
         final int spec = View.MeasureSpec.makeMeasureSpec(
-            ViewGroup.LayoutParams.WRAP_CONTENT,
+            0,
             View.MeasureSpec.UNSPECIFIED);
         reactSwitch.measure(spec, spec);
         mWidth = reactSwitch.getMeasuredWidth();