added sound during countdown, and upgraded minsdkversion

test/drift/sendtrain/generated/schema.dart

@@ -36,6 +36,8 @@ import 'schema_v30.dart' as v30;
 import 'schema_v31.dart' as v31;
 import 'schema_v32.dart' as v32;
 import 'schema_v33.dart' as v33;
+import 'schema_v34.dart' as v34;
+import 'schema_v35.dart' as v35;
 
 class GeneratedHelper implements SchemaInstantiationHelper {
   @override
@@ -107,6 +109,10 @@ class GeneratedHelper implements SchemaInstantiationHelper {
         return v32.DatabaseAtV32(db);
       case 33:
         return v33.DatabaseAtV33(db);
+      case 34:
+        return v34.DatabaseAtV34(db);
+      case 35:
+        return v35.DatabaseAtV35(db);
       default:
         throw MissingSchemaException(version, versions);
     }
@@ -145,6 +151,8 @@ class GeneratedHelper implements SchemaInstantiationHelper {
     30,
     31,
     32,
-    33
+    33,
+    34,
+    35
   ];
 }