input: add enumeration threads for each hid_pad_handler

There was a roughly 60 ms lag for each hid handler every 2 seconds. (sucks if you use all 3 hid handlers)

Utilities/Timer.h

@@ -12,7 +12,7 @@ private:
 	steady_clock::time_point m_end;
 
 public:
-	Timer() : m_stopped(false)
+	Timer() : m_stopped(false), m_start(steady_clock::now())
 	{
 	}