Propogate and handle lint analysis option.

pkg/analysis_server/lib/src/domain_analysis.dart

Index: pkg/analysis_server/lib/src/domain_analysis.dart
diff --git a/pkg/analysis_server/lib/src/domain_analysis.dart b/pkg/analysis_server/lib/src/domain_analysis.dart
index d6e2ec5ea14a78ac233471df325c1c8bb8fd9ba4..773af6e412b2fb659d9d31e38ace92f702e7385b 100644
--- a/pkg/analysis_server/lib/src/domain_analysis.dart
+++ b/pkg/analysis_server/lib/src/domain_analysis.dart
@@ -221,6 +221,11 @@ class AnalysisDomainHandler implements RequestHandler {
         options.hint = newOptions.generateHints;
       });
     }
+    if (newOptions.generateLints != null) {
+      updaters.add((engine.AnalysisOptionsImpl options) {
+        options.lint = newOptions.generateLints;
+      });
+    }
     server.updateOptions(updaters);
     return new AnalysisUpdateOptionsResult().toResponse(request.id);
   }