Update unzip_zoom_sdk.dart

bin/unzip_zoom_sdk.dart

@@ -76,7 +76,7 @@ Future<void> checkAndDownloadSDK(String location) async {
   if (!exists) {
     await downloadFile(
         Uri.parse(
-            'https://www.dropbox.com/s/3umg10gbnsd7pi6/mobilertc.aar?dl=0'),
+            'https://www.dropbox.com/s/3umg10gbnsd7pi6/mobilertc.aar?dl=1'),
         androidRTCLibFile);
   }
 }