As a temporary measure, allow SDK to be specified on analysis server cmd line.

pkg/analysis_server/test/domain_edit_test.dart

Index: pkg/analysis_server/test/domain_edit_test.dart
diff --git a/pkg/analysis_server/test/domain_edit_test.dart b/pkg/analysis_server/test/domain_edit_test.dart
index 4e0252c01c725ec3a281a054b87231099b572679..af1f6b15ec597384656c060d42a91eb102ab0f62 100644
--- a/pkg/analysis_server/test/domain_edit_test.dart
+++ b/pkg/analysis_server/test/domain_edit_test.dart
@@ -27,8 +27,8 @@ main() {
     serverChannel = new MockServerChannel();
     resourceProvider = new MemoryResourceProvider();
     server = new AnalysisServer(
-        serverChannel, resourceProvider, new MockPackageMapProvider(), null);
-    server.defaultSdk = new MockSdk();
+        serverChannel, resourceProvider, new MockPackageMapProvider(), null,
+        new MockSdk());
     handler = new EditDomainHandler(server);
   });