Fix the issue that create_first_app is not set as true when client creates multiple non-default app.

PiperOrigin-RevId: 311624261

Author: Googler

app/src/app_common.cc

@@ -262,12 +262,14 @@ App* AddApp(App* app, std::map<std::string, InitResult>* results) {
   if (IsDefaultAppName(app->name())) {
     assert(!g_default_app);
     g_default_app = app;
-    created_first_app = true;
   }
   UniquePtr<AppData> app_data = MakeUnique<AppData>();
   app_data->app = app;
   app_data->cleanup_notifier.RegisterOwner(app);
-  if (!g_apps) g_apps = new std::map<std::string, UniquePtr<AppData>>();
+  if (!g_apps) {
+    g_apps = new std::map<std::string, UniquePtr<AppData>>();
+    created_first_app = true;
+  }
   (*g_apps)[std::string(app->name())] = app_data;
   // Create a cleanup notifier for the app.
   {