Add --action_graph:include_cmdline to the documentation for the dump command.
RELNOTES: None.
@@ -3430,6 +3430,8 @@ adb -s deadbeef install ...
<li><code class='flag'>--action_graph:targets=target1,target2,...</code>
filters the actions to the comma-separated list of targets when dumping the
action graph.</li>
+ <li><code class='flag'>--action_graph:include_cmdline</code> Include the command lines of actions
+ in the action graph dump.</li>
</ul>
<h4 id='memory-tracking'>Memory tracking</h4>
