tracer: trace render_pts

Mostly convenient for the audio output since the render date are in the
fure (the aout delay).

include/vlc_tracer.h

@@ -174,9 +174,15 @@ static inline void vlc_tracer_TraceRender(struct vlc_tracer *tracer, const char
                                 const char *id, vlc_tick_t now, vlc_tick_t pts)
 {
     if (now != VLC_TICK_MAX && now != VLC_TICK_INVALID)
-        vlc_tracer_Trace(tracer, VLC_TRACE("type", type), VLC_TRACE("id", id),
-                         VLC_TRACE("pts", pts),
-                         VLC_TRACE("render_ts", now), VLC_TRACE_END);
+    {
+        vlc_tracer_TraceWithTs(tracer, vlc_tick_now(), VLC_TRACE("type", type), 
+                               VLC_TRACE("id", id), VLC_TRACE("pts", pts),
+                               VLC_TRACE("render_ts", now), VLC_TRACE_END);
+        vlc_tracer_TraceWithTs(tracer, now, VLC_TRACE("type", type),
+                               VLC_TRACE("id", id), VLC_TRACE("render_pts", pts),
+                               VLC_TRACE_END);
+
+    }
     else
         vlc_tracer_Trace(tracer, VLC_TRACE("type", type), VLC_TRACE("id", id),
                          VLC_TRACE("pts", pts), VLC_TRACE_END);