Add bazel worker support to the dev compiler.

test/all_tests.dart

Index: test/all_tests.dart
diff --git a/test/all_tests.dart b/test/all_tests.dart
index a74ff9dbf3a98b8132a61a7669b29e2b71452655..71d48ac975c4e497f525a75b10b77f9c3f907395 100644
--- a/test/all_tests.dart
+++ b/test/all_tests.dart
@@ -11,6 +11,7 @@ import 'closure/closure_annotation_test.dart' as closure_annotation_test;
 import 'closure/closure_type_test.dart' as closure_type_test;
 import 'codegen_test.dart' as codegen_test;
 import 'js/builder_test.dart' as builder_test;
+import 'worker/worker_test.dart' as worker_test;
 
 void main() {
   group('codegen', () => codegen_test.main([]));
@@ -19,4 +20,5 @@ void main() {
     closure_type_test.main();
   });
   group('js', builder_test.main);
+  group('worker', worker_test.main);
 }