8308232: nsk/jdb tests don't pass -verbose flag to the debuggee

Reviewed-by: sspitsyn, lmesnik

test/hotspot/jtreg/vmTestbase/nsk/share/jdb/Launcher.java

@@ -226,6 +226,10 @@ public class Launcher extends DebugeeBinder {
                     }
                 }
                 String cmdline = classToExecute + " " + ArgumentHandler.joinArguments(argumentHandler.getArguments(), " ");
+                cmdline += " -waittime " + argumentHandler.getWaitTime();
+                if (argumentHandler.verbose()) {
+                    cmdline += " -verbose";
+                }
                 if (System.getProperty("main.wrapper") != null) {
                     cmdline = MainWrapper.class.getName() + " " + System.getProperty("main.wrapper") +  " " + cmdline;
                 }