Use pub list-package-dirs in analyzer command line

pkg/analyzer/test/source/test_all.dart

Index: pkg/analyzer/test/source/test_all.dart
diff --git a/pkg/analyzer/test/source/test_all.dart b/pkg/analyzer/test/source/test_all.dart
index b9a145f5554f7830ea1ed46a20f45da446439a7a..d5b4c541bb99336f8f139fcf95d2299740a72202 100644
--- a/pkg/analyzer/test/source/test_all.dart
+++ b/pkg/analyzer/test/source/test_all.dart
@@ -6,6 +6,7 @@ library test.source;
 
 import 'package:unittest/unittest.dart';
 
+import 'package_map_provider_test.dart' as package_map_provider_test;
 import 'package_map_resolver_test.dart' as package_map_resolver_test;
 
 
@@ -13,6 +14,7 @@ import 'package_map_resolver_test.dart' as package_map_resolver_test;
 main() {
   groupSep = ' | ';
   group('source', () {
+    package_map_provider_test.main();
     package_map_resolver_test.main();
   });
 }