More work cleaning up the BUILD files

Change-Id: I47fb18e7a12cd7e081631a5369274ef1e25f22c4
diff --git a/aos/linux_code/BUILD b/aos/linux_code/BUILD
index 63c970c..ce7b1b0 100644
--- a/aos/linux_code/BUILD
+++ b/aos/linux_code/BUILD
@@ -32,7 +32,7 @@
   ],
   deps = [
     ':complex_thread_local',
-    '//third_party/gtest',
+    '//aos/testing:googletest',
     '//aos/common/util:thread',
     '//aos/common/logging',
   ],