Rename some bools in the analysis server API.

pkg/analysis_server/test/analysis_server_test.dart

Index: pkg/analysis_server/test/analysis_server_test.dart
diff --git a/pkg/analysis_server/test/analysis_server_test.dart b/pkg/analysis_server/test/analysis_server_test.dart
index 5d31841043d94c77764f05255a6e1810e8cf294b..36e8fcc2f0430bd32b120b13440ae657d8dd3312 100644
--- a/pkg/analysis_server/test/analysis_server_test.dart
+++ b/pkg/analysis_server/test/analysis_server_test.dart
@@ -45,14 +45,14 @@ main() {
         expect(notifications.any((Notification notification) {
           if (notification.event == SERVER_STATUS) {
             var params = new ServerStatusParams.fromNotification(notification);
-            return params.analysis.analyzing;
+            return params.analysis.isAnalyzing;
           }
           return false;
         }), isTrue);
         // the last notification should indicate that analysis is complete
         Notification notification = notifications[notifications.length - 1];
         var params = new ServerStatusParams.fromNotification(notification);
-        expect(params.analysis.analyzing, isFalse);
+        expect(params.analysis.isAnalyzing, isFalse);
       });
     });