[auth] Remove "rust" from token manager (step 2)

This uses the new url that was created in step 1.

Tested: CQ
Change-Id: Ibf937bbd0e09ec18b9821b3d071610541a3a1b6a
diff --git a/bin/basemgr/basemgr.cc b/bin/basemgr/basemgr.cc
index f4fd587..b3dd1fe 100644
--- a/bin/basemgr/basemgr.cc
+++ b/bin/basemgr/basemgr.cc
@@ -389,7 +389,7 @@
     // Start OAuth Token Manager App.
     fuchsia::modular::AppConfig token_manager_config;
     if (settings_.enable_garnet_token_manager) {
-      token_manager_config.url = "token_manager_rust";
+      token_manager_config.url = "token_manager_factory";
       FXL_DLOG(INFO) << "Initialzing token_manager_factory_app()";
       token_manager_factory_app_ =
           std::make_unique<AppClient<fuchsia::modular::Lifecycle>>(