Add '--finer-grained-invalidation' option to Analysis Server.

pkg/analyzer/test/src/task/incremental_element_builder_test.dart

Index: pkg/analyzer/test/src/task/incremental_element_builder_test.dart
diff --git a/pkg/analyzer/test/src/task/incremental_element_builder_test.dart b/pkg/analyzer/test/src/task/incremental_element_builder_test.dart
index 8b3bb5d542041fcb1c4cc922998d7b9fa1bfefc1..c4b2955269cf354fc991223f4eb2f615ba1ee4c8 100644
--- a/pkg/analyzer/test/src/task/incremental_element_builder_test.dart
+++ b/pkg/analyzer/test/src/task/incremental_element_builder_test.dart
@@ -1600,7 +1600,8 @@ main() {
 
   void _buildNewUnit(String newCode) {
     this.newCode = newCode;
-    AnalysisEngine.instance.limitInvalidationInTaskModel = false;
+    AnalysisOptionsImpl analysisOptions = context.analysisOptions;
+    analysisOptions.finerGrainedInvalidation = false;
     try {
       context.setContents(source, newCode);
       newUnit = context.parseCompilationUnit(source);
@@ -1622,7 +1623,7 @@ main() {
       expect(newUnitFull, isNot(same(newUnit)));
       new _BuiltElementsValidator().isEqualNodes(newUnitFull, newUnit);
     } finally {
-      AnalysisEngine.instance.limitInvalidationInTaskModel = true;
+      analysisOptions.finerGrainedInvalidation = true;
     }
   }