Fix accessibility role/label

Summary: D10138128 had some shamefully wrong boolean logic to determine whether we should customize the accessibility delegate. Previously, we did it if BOTH the accessibility label AND role were present. We should actually do it if EITHER are present.

Reviewed By: mdvacca

Differential Revision: D10182135

fbshipit-source-id: 209a8ab43f5869762843fe878cfd59a7b9b5ab1a

Author: ayc1

ReactAndroid/src/main/java/com/facebook/react/uimanager/AccessibilityDelegateUtil.java

@@ -72,8 +72,7 @@ public static void setDelegate(final View view) {
     // if a view already has an accessibility delegate, replacing it could cause problems,
     // so leave it alone.
     if (!ViewCompat.hasAccessibilityDelegate(view) &&
-      accessibilityHint != null &&
-      accessibilityRole != null) { 
+      (accessibilityHint != null || accessibilityRole != null)) {
       ViewCompat.setAccessibilityDelegate(
         view,
         new AccessibilityDelegateCompat() {