add extran in friendData

sdk/src/main/java/cn/wildfirechat/sdk/Main.java

@@ -234,7 +234,7 @@ public class Main {
             System.exit(-1);
         }
 
-        IMResult<Void> updateFriendStatusResult = RelationAdmin.setUserFriend("ff1", "ff2", true);
+        IMResult<Void> updateFriendStatusResult = RelationAdmin.setUserFriend("ff1", "ff2", true, "{\"from\":1}");
         if (updateFriendStatusResult != null && updateFriendStatusResult.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
             System.out.println("update friend status success");
         } else {

sdk/src/main/java/cn/wildfirechat/sdk/RelationAdmin.java

@@ -6,12 +6,13 @@ import cn.wildfirechat.sdk.model.IMResult;
 import cn.wildfirechat.sdk.utilities.AdminHttpUtils;
 
 public class RelationAdmin {
-    public static IMResult<Void> setUserFriend(String userId, String targetId, boolean isFriend) throws Exception {
+    public static IMResult<Void> setUserFriend(String userId, String targetId, boolean isFriend, String extra) throws Exception {
         String path = APIPath.Friend_Update_Status;
         InputFriendRequest input = new InputFriendRequest();
         input.setUserId(userId);
         input.setFriendUid(targetId);
         input.setStatus(isFriend ? 0 : 1); //历史遗留问题，在IM数据库中0是好友，1是好友被删除。
+        input.setExtra(extra);
         return AdminHttpUtils.httpJsonPost(path, input, Void.class);
     }