Update plugin spec to match server spec changes

pkg/analyzer_plugin/doc/api.html

Index: pkg/analyzer_plugin/doc/api.html
diff --git a/pkg/analyzer_plugin/doc/api.html b/pkg/analyzer_plugin/doc/api.html
index 3ddbd1292685784988a7643c1703596fc84dda75..808a6f0519eb332d01f43fd99bd1cf5b20de25cb 100644
--- a/pkg/analyzer_plugin/doc/api.html
+++ b/pkg/analyzer_plugin/doc/api.html
@@ -1195,6 +1195,23 @@ a:focus, a:hover {
           The class that declares the element being suggested. This field is
           omitted if the suggested element is not a member of a class.
         </p>
+      </dd><dt class="field"><b>defaultArgumentListString (<span style="color:#999999">optional</span> String)</b></dt><dd>
+        
+        <p>
+          A default String for use in generating argument list source contents
+          on the client side.
+        </p>
+      </dd><dt class="field"><b>defaultArgumentListTextRanges (<span style="color:#999999">optional</span> List&lt;int&gt;)</b></dt><dd>
+        
+        <p>
+          Pairs of offsets and lengths describing 'defaultArgumentListString'
+          text ranges suitable for use by clients to set up linked edits of
+          default argument source contents. For example, given an argument list
+          string 'x, y', the corresponding text range [0, 1, 3, 1], indicates
+          two text ranges of length 1, starting at offsets 0 and 3. Clients can
+          use these ranges to treat the 'x' and 'y' values specially for linked
+          edits.
+        </p>
       </dd><dt class="field"><b>element (<span style="color:#999999">optional</span> <a href="#type_Element">Element</a>)</b></dt><dd>
         
         <p>