Bug 1758811 - P1: Use gecko cache when it is enabled for retrieving node info. r=Jamie

Differential Revision: https://phabricator.services.mozilla.com/D140749

mobile/android/geckoview/src/main/java/org/mozilla/geckoview/SessionAccessibility.java

@@ -176,7 +176,7 @@ public class SessionAccessibility {
       AccessibilityNodeInfo node = null;
       if (mAttached) {
         node =
-            mSession.getSettings().getFullAccessibilityTree()
+            mSession.getSettings().getFullAccessibilityTree() || nativeProvider.isCacheEnabled()
                 ? getNodeFromGecko(virtualDescendantId)
                 : getNodeFromCache(virtualDescendantId);
       }