More work cleaning up the BUILD files

Change-Id: I47fb18e7a12cd7e081631a5369274ef1e25f22c4
diff --git a/y2015/util/BUILD b/y2015/util/BUILD
index 2a7250f..bf1d3ed 100644
--- a/y2015/util/BUILD
+++ b/y2015/util/BUILD
@@ -14,7 +14,7 @@
     'kinematics_test.cc',
   ],
   deps = [
-    '//third_party/gtest',
+    '//aos/testing:googletest',
     '//aos/common:queue_testutils',
     '//aos/common/logging',
     '//frc971/control_loops:team_number_test_environment',