Enable enum and deferred import support

pkg/analysis_server/tool/spec/spec_input.html

Index: pkg/analysis_server/tool/spec/spec_input.html
diff --git a/pkg/analysis_server/tool/spec/spec_input.html b/pkg/analysis_server/tool/spec/spec_input.html
index ad32f1973d9c2f1019701a2903946d68512a380b..230903b187f73894598997152789ed8d18c65df6 100644
--- a/pkg/analysis_server/tool/spec/spec_input.html
+++ b/pkg/analysis_server/tool/spec/spec_input.html
@@ -1801,6 +1801,7 @@
         <object>
           <field name="enableAsync" optional="true">
             <ref>bool</ref>
+            <p><b><i>Deprecated</i></b>/<p>
             <p>
               True if the client wants to enable support for the
               proposed async feature.
@@ -1808,6 +1809,7 @@
           </field>
           <field name="enableDeferredLoading" optional="true">
             <ref>bool</ref>
+            <p><b><i>Deprecated</i></b>/<p>
             <p>
               True if the client wants to enable support for the
               proposed deferred loading feature.
@@ -1815,6 +1817,7 @@
           </field>
           <field name="enableEnums" optional="true">
             <ref>bool</ref>
+            <p><b><i>Deprecated</i></b>/<p>
             <p>
               True if the client wants to enable support for the
               proposed enum feature.