Upgraded the rest of Time.

Change-Id: I0ee083837e51d8f74a798b7ba14a3b6bb3859f35
diff --git a/y2016/dashboard/dashboard.h b/y2016/dashboard/dashboard.h
index 003820c..e093cb9 100644
--- a/y2016/dashboard/dashboard.h
+++ b/y2016/dashboard/dashboard.h
@@ -52,7 +52,7 @@
 
   struct ItemDatapoint {
     double value;
-    ::aos::time::Time time;
+    ::aos::monotonic_clock::time_point time;
   };
 
   struct SampleItem {