Breakpoint hits reaching all the way to UI.

Nasty json only hackery right now, but fixable to support other protocols.

src/xenia/debug/debug_client.h

@@ -16,6 +16,8 @@
 
 XEDECLARECLASS2(xe, debug, DebugServer);
 
+struct json_t;
+
 
 namespace xe {
 namespace debug {
@@ -31,6 +33,8 @@ public:
   virtual int Setup() = 0;
   virtual void Close() = 0;
 
+  virtual void SendEvent(json_t* event_json) = 0;
+
 protected:
   void MakeReady();