Issue 28068. Implement diagnostics domain for the new analysis driver.

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index 08ecc6bdaedb4e0ec11f9025058590a7eff384b7..869bd8195aa7981484b1405cbe56811ffb3dec1f 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -1835,7 +1835,7 @@ class ServerContextManagerCallbacks extends ContextManagerCallbacks {
         analysisServer.fileContentOverlay,
         sourceFactory,
         analysisOptions);
-    analysisDriver.name = folder.shortName;
+    analysisDriver.name = folder.path;
     analysisDriver.status.listen((status) {
       // TODO(scheglov) send server status
     });