fix: replace about-to-be-remove dart:profiler with dart:developer

Author: yjbanov

lib/core_dom/directive_injector.dart

@@ -2,7 +2,7 @@ library angular.node_injector;
 
 import 'dart:collection';
 import 'dart:html' show Node, Element, ShadowRoot;
-import 'dart:profiler';
+import 'dart:developer';
 
 import 'package:di/di.dart';
 import 'package:di/annotations.dart';

lib/tracing.dart

@@ -6,7 +6,7 @@
  */
 library angular.tracing;
 
-import "dart:profiler";
+import "dart:developer";
 
 bool traceEnabled = false;
 dynamic /* JsObject */ _trace;