More work cleaning up the BUILD files

Change-Id: I47fb18e7a12cd7e081631a5369274ef1e25f22c4
diff --git a/frc971/control_loops/BUILD b/frc971/control_loops/BUILD
index b6e1caf..75fda32 100644
--- a/frc971/control_loops/BUILD
+++ b/frc971/control_loops/BUILD
@@ -12,7 +12,7 @@
   ],
   deps = [
     '//aos/common/network:team_number',
-    '//third_party/gtest',
+    '//aos/testing:googletest',
   ],
 )
 
@@ -23,7 +23,7 @@
   ],
   deps = [
     ':state_feedback_loop',
-    '//third_party/gtest',
+    '//aos/testing:googletest',
   ],
 )
 
@@ -49,7 +49,7 @@
   deps = [
     ':queues',
     ':position_sensor_sim',
-    '//third_party/gtest',
+    '//aos/testing:googletest',
     '//aos/common/logging',
   ],
 )