Deprecate option "enableNullAwareOperators" in analysis server.

pkg/analysis_server/doc/api.html

Index: pkg/analysis_server/doc/api.html
diff --git a/pkg/analysis_server/doc/api.html b/pkg/analysis_server/doc/api.html
index b0de8a8f0045634fcc62a8903d25b949c0b87f20..cb46e577891d075eb41a297db82cfce3b94f37c5 100644
--- a/pkg/analysis_server/doc/api.html
+++ b/pkg/analysis_server/doc/api.html
@@ -2289,27 +2289,28 @@ dt.typeDefinition {
         
       <dl><dt class="field"><b><i>enableAsync ( <span style="color:#999999">optional</span> bool )</i></b></dt><dd>
             
-            <p><b><i>Deprecated</i></b></p>
+            <p><b><i>Deprecated</i></b>: this feature is always enabled.</p>
             <p>
               True if the client wants to enable support for the
               proposed async feature.
             </p>
           </dd><dt class="field"><b><i>enableDeferredLoading ( <span style="color:#999999">optional</span> bool )</i></b></dt><dd>
             
-            <p><b><i>Deprecated</i></b></p>
+            <p><b><i>Deprecated</i></b>: this feature is always enabled.</p>
             <p>
               True if the client wants to enable support for the
               proposed deferred loading feature.
             </p>
           </dd><dt class="field"><b><i>enableEnums ( <span style="color:#999999">optional</span> bool )</i></b></dt><dd>
             
-            <p><b><i>Deprecated</i></b></p>
+            <p><b><i>Deprecated</i></b>: this feature is always enabled.</p>
             <p>
               True if the client wants to enable support for the
               proposed enum feature.
             </p>
           </dd><dt class="field"><b><i>enableNullAwareOperators ( <span style="color:#999999">optional</span> bool )</i></b></dt><dd>
             
+            <p><b><i>Deprecated</i></b>: this feature is always enabled.</p>
             <p>
               True if the client wants to enable support for the
               proposed "null aware operators" feature.