Deprecate the analysis.updateOptions request

pkg/analysis_server/test/integration/integration_test_methods.dart

Index: pkg/analysis_server/test/integration/integration_test_methods.dart
diff --git a/pkg/analysis_server/test/integration/integration_test_methods.dart b/pkg/analysis_server/test/integration/integration_test_methods.dart
index e9ab15b446daa03c242f2cc8cf39fcab45701e4d..867e13b72ec9d3f5e966239265ca97bb365983d0 100644
--- a/pkg/analysis_server/test/integration/integration_test_methods.dart
+++ b/pkg/analysis_server/test/integration/integration_test_methods.dart
@@ -565,6 +565,9 @@ abstract class IntegrationTestMixin {
   }
 
   /**
+   * Deprecated: all of the options can be set by users in an analysis options
+   * file.
+   *
    * Update the options controlling analysis based on the given set of options.
    * Any options that are not included in the analysis options will not be
    * changed. If there are options in the analysis options that are not valid,