[fuchsia-pkg][fidl_bindings_perf] Use component URLs

TESTED=cq

CF-156 #comment

Change-Id: Iaa23e9e56a7cd79ee61d64e6ccbb2069c3dd4229
diff --git a/examples/fidl/fidl_bindings_performance/lib/main.dart b/examples/fidl/fidl_bindings_performance/lib/main.dart
index 7b7ba71..bf27abd 100644
--- a/examples/fidl/fidl_bindings_performance/lib/main.dart
+++ b/examples/fidl/fidl_bindings_performance/lib/main.dart
@@ -14,9 +14,9 @@
 StartupContext _context;
 
 const List<String> kDefaultServers = [
-  'echo2_server_cpp',
-  'echo2_server_rust',
-  'echo2_server_go',
+  'fuchsia-pkg://fuchsia.com/echo2_server_cpp#meta/echo2_server_cpp.cmx',
+  'fuchsia-pkg://fuchsia.com/echo2_server_rust#meta/echo2_server_rust.cmx',
+  'fuchsia-pkg://fuchsia.com/echo2_server_go#meta/echo2_server_go.cmx',
   'fuchsia-pkg://fuchsia.com/echo_dart#meta/echo_server_dart.cmx',
   'fuchsia-pkg://fuchsia.com/echo_server_async_dart#meta/echo_server_async_dart.cmx'
 ];