Stop using SDK summary bundle. Analyze dart:xxx as any other libraries.

pkg/analysis_server/test/domain_diagnostic_test.dart

Index: pkg/analysis_server/test/domain_diagnostic_test.dart
diff --git a/pkg/analysis_server/test/domain_diagnostic_test.dart b/pkg/analysis_server/test/domain_diagnostic_test.dart
index 7d798c9ed3d26ed8e525c968ec717dddb2c01bb6..3bd5429d73642bbf5b5362d75bb93e579034ea93 100644
--- a/pkg/analysis_server/test/domain_diagnostic_test.dart
+++ b/pkg/analysis_server/test/domain_diagnostic_test.dart
@@ -46,12 +46,7 @@ class DiagnosticDomainTest extends AbstractAnalysisTest {
     expect(context.name, '/project');
     expect(context.explicitFileCount, 1); /* test.dart */
 
-    if (enableNewAnalysisDriver) {
-      expect(context.implicitFileCount, 0);
-    } else {
-      // dart:core dart:async dart:math dart:_internal
-      expect(context.implicitFileCount, 4);
-    }
+    expect(context.implicitFileCount, 4);
 
     expect(context.workItemQueueLength, isNotNull);
   }