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/frc971/wpilib/joystick_sender.cc b/frc971/wpilib/joystick_sender.cc
index a073066..31ecc6c 100644
--- a/frc971/wpilib/joystick_sender.cc
+++ b/frc971/wpilib/joystick_sender.cc
@@ -54,10 +54,10 @@
           if (ds->GetStickPOVCount(i) > 0) {
             new_state->joysticks[i].pov = ds->GetStickPOV(i, 0);
           }
-          LOG_STRUCT(DEBUG, "joystick_state", *new_state);
+          AOS_LOG_STRUCT(DEBUG, "joystick_state", *new_state);
         }
         if (!new_state.Send()) {
-          LOG(WARNING, "sending joystick_state failed\n");
+          AOS_LOG(WARNING, "sending joystick_state failed\n");
         }
       });
     }