Basic JDWP option parsing...

...and just enough code to silence all the UNIMPLEMENTED warnings you get
during normal usage.

Change-Id: I56820ac971b88581c4cb1f462c13331d8fa04c43
diff --git a/src/debugger.h b/src/debugger.h
index b66fd11..388248b 100644
--- a/src/debugger.h
+++ b/src/debugger.h
@@ -23,8 +23,10 @@
 
 #include <pthread.h>
 
-#include "object.h"
+#include <string>
+
 #include "jdwp/jdwp.h"
+#include "object.h"
 
 namespace art {
 
@@ -62,6 +64,7 @@
 
 class Dbg {
 public:
+  static bool ParseJdwpOptions(const std::string& options);
   static bool DebuggerStartup();
   static void DebuggerShutdown();