Fix hardcoded list of generated Dart files.

mojo/dart/packages/mojo_services/BUILD.gn

Index: mojo/dart/packages/mojo_services/BUILD.gn
diff --git a/mojo/dart/packages/mojo_services/BUILD.gn b/mojo/dart/packages/mojo_services/BUILD.gn
index f4a0a0f17a7625af0fbffa6c64dea4e6a4b8df29..2c5dce22e979558c3fe86003a6bcd3bb56e6d921 100644
--- a/mojo/dart/packages/mojo_services/BUILD.gn
+++ b/mojo/dart/packages/mojo_services/BUILD.gn
@@ -9,6 +9,7 @@ import("//mojo/services/mojo_services.gni")
 # for i in `find lib/|grep mojom.dart|sort`;do echo "  \"$i\",";done
 bindings_sources = [
   "lib/activity/activity.mojom.dart",
+  "lib/authentication/authentication_impl_db.mojom.dart",
   "lib/authentication/authentication.mojom.dart",
   "lib/contacts/contacts.mojom.dart",
   "lib/http_server/http_request.mojom.dart",
@@ -33,6 +34,7 @@ bindings_sources = [
   "lib/mojo/files/types.mojom.dart",
   "lib/mojo/geocoder.mojom.dart",
   "lib/mojo/geometry.mojom.dart",
+  "lib/mojo/gfx/composition/compositor.mojom.dart",
   "lib/mojo/gfx/composition/hit_tests.mojom.dart",
   "lib/mojo/gfx/composition/nodes.mojom.dart",
   "lib/mojo/gfx/composition/renderers.mojom.dart",
@@ -49,6 +51,20 @@ bindings_sources = [
   "lib/mojo/input_key_codes.mojom.dart",
   "lib/mojo/location.mojom.dart",
   "lib/mojo/location_service.mojom.dart",
+  "lib/mojo/media/audio_server.mojom.dart",
+  "lib/mojo/media/audio_track.mojom.dart",
+  "lib/mojo/media/media_clock.mojom.dart",
+  "lib/mojo/media/media_common.mojom.dart",
+  "lib/mojo/media/media_factory.mojom.dart",
+  "lib/mojo/media/media_metadata.mojom.dart",
+  "lib/mojo/media/media_player.mojom.dart",
+  "lib/mojo/media/media_sink.mojom.dart",
+  "lib/mojo/media/media_source.mojom.dart",
+  "lib/mojo/media/media_state.mojom.dart",
+  "lib/mojo/media/media_transport.mojom.dart",
+  "lib/mojo/media/media_type_converter.mojom.dart",
+  "lib/mojo/media/media_types.mojom.dart",
+  "lib/mojo/media/rate_control.mojom.dart",
   "lib/mojo/native_viewport_event_dispatcher.mojom.dart",
   "lib/mojo/navigation.mojom.dart",
   "lib/mojo/net_address.mojom.dart",
@@ -66,12 +82,15 @@ bindings_sources = [
   "lib/mojo/udp_socket.mojom.dart",
   "lib/mojo/ui/input_connection.mojom.dart",
   "lib/mojo/ui/input_dispatcher.mojom.dart",
-  "lib/mojo/ui/layouts.mojom.dart",
   "lib/mojo/ui/view_associates.mojom.dart",
+  "lib/mojo/ui/view_containers.mojom.dart",
   "lib/mojo/ui/view_manager.mojom.dart",
+  "lib/mojo/ui/view_properties.mojom.dart",
   "lib/mojo/ui/view_provider.mojom.dart",
   "lib/mojo/ui/views.mojom.dart",
+  "lib/mojo/ui/view_token.mojom.dart",
   "lib/mojo/ui/view_trees.mojom.dart",
+  "lib/mojo/ui/view_tree_token.mojom.dart",
   "lib/mojo/url_loader_interceptor.mojom.dart",
   "lib/mojo/url_loader.mojom.dart",
   "lib/mojo/url_response_disk_cache.mojom.dart",