Redo "running" field in debug-delay.js and support "suspend" command

test/mjsunit/debug-changebreakpoint.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 41 matching lines @@
     assertTrue(response.success, json_response);
   } else {
     assertFalse(response.success, json_response);
   }
 }
 
 function listener(event, exec_state, event_data, data) {
   try {
   if (event == Debug.DebugEvent.Break) {
     // Get the debug command processor.
-    var dcp = exec_state.debugCommandProcessor();
+    var dcp = exec_state.debugCommandProcessor("unspecified_running_state");
 
     // Test some illegal clearbreakpoint requests.
     var request = '{' + base_request + '}'
     var response = safeEval(dcp.processDebugJSONRequest(request));
     assertFalse(response.success);
 
     testArguments(dcp, '{}', false);
     testArguments(dcp, '{"breakpoint":0,"condition":"false"}', false);
     // TODO(1241036) change this to 2 when break points have been restructured.
     testArguments(dcp, '{"breakpoint":3,"condition":"false"}', false);
@@ skipping 26 matching lines @@
 function g() {};
 
 // Set a break point and call to invoke the debug event listener.
 bp = Debug.setBreakPoint(g, 0, 0);
 assertEquals(1, bp);
 g();
 
 // Make sure that the debug event listener vas invoked.
 assertTrue(listenerComplete, "listener did not run to completion");
 assertFalse(exception, "exception in listener")