Debugger: List installed dumpers properly in LLDB bridge

Change-Id: Id38cf5e8664b7584886d14be9a090bc7b7172410
Reviewed-by: hjk <hjk121@nokiamail.com>

share/qtcreator/dumper/lbridge.py

@@ -420,4 +420,4 @@ bbsetup()
 
 lldbLoaded = True
 
-print "result={state=\"enginesetupok\",dumpers=\"%s\"}" % qqDumpers.keys()
+print "result={state=\"enginesetupok\",dumpers=%s}" % str(qqDumpers.keys()).replace("'", '"')