feat: FlexionSDKHelper 添加 consume 接口实现

ExtraPluginCfgs/flexion 同步 ISDKHelper.consume(String) 方法

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ExtraPluginCfgs/Android/flexion/FlexionSDKHelper.java

@@ -258,6 +258,11 @@ public class FlexionSDKHelper implements SDKManager.ISDKHelper {
         }
     }
 
+    @Override
+    public void consume(String token) {
+        consumePurchase(token);
+    }
+
     public static void consumePurchase(String token) {
         if (billingService == null || token == null || token.isEmpty()) {
             Log.w(TAG, "[PAY-FLOW] consumePurchase: billingService or token is null");