Stop setting the accessibility text if a node has SCOPES_ROUTE set. (#12730)

This keeps us from setting the text on a node if it is a SCOPES_ROUTE node, and sends the "TYPE_VIEW_FOCUSED" event when we update the semantics information and a view has the input focus.

shell/platform/android/io/flutter/view/AccessibilityBridge.java

@@ -737,7 +737,7 @@ public class AccessibilityBridge extends AccessibilityNodeProvider {
             result.setChecked(semanticsNode.hasFlag(Flag.IS_TOGGLED));
             result.setClassName("android.widget.Switch");
             result.setContentDescription(semanticsNode.getValueLabelHint());
-        } else {
+        } else if (!semanticsNode.hasFlag(Flag.SCOPES_ROUTE)) {
             // Setting the text directly instead of the content description
             // will replace the "checked" or "not-checked" label.
             result.setText(semanticsNode.getValueLabelHint());