Prefix LOG and CHECK with AOS_

This prepares us for introducing glog more widely and transitioning
things over where they make sense.

Change-Id: Ic6c208882407bc2153fe875ffc736d66f5c8ade5
diff --git a/y2016/constants.cc b/y2016/constants.cc
index d4f61c1..8518b6b 100644
--- a/y2016/constants.cc
+++ b/y2016/constants.cc
@@ -142,13 +142,13 @@
       };
       break;
     default:
-      LOG(FATAL, "unknown team #%" PRIu16 "\n", team);
+      AOS_LOG(FATAL, "unknown team #%" PRIu16 "\n", team);
   }
 }
 
 const Values *DoGetValues() {
   uint16_t team = ::aos::network::GetTeamNumber();
-  LOG(INFO, "creating a Constants for team %" PRIu16 "\n", team);
+  AOS_LOG(INFO, "creating a Constants for team %" PRIu16 "\n", team);
   return DoGetValuesForTeam(team);
 }