Buildify drivetrain build files.

Makes future patches easier.

Change-Id: I3e90849b38576e06af19187eeb3bf13862560b7e
diff --git a/y2018/control_loops/python/BUILD b/y2018/control_loops/python/BUILD
index b454db5..db596ae 100644
--- a/y2018/control_loops/python/BUILD
+++ b/y2018/control_loops/python/BUILD
@@ -182,7 +182,6 @@
     legacy_create_init = False,
     restricted_to = ["//tools:k8"],
     srcs_version = "PY3",
-    restricted_to = ["//tools:k8"],
     deps = [
         ":basic_window",
         ":python_init",
@@ -211,8 +210,8 @@
     ],
     default_python_version = "PY3",
     legacy_create_init = False,
-    srcs_version = "PY3",
     restricted_to = ["//tools:k8"],
+    srcs_version = "PY3",
     deps = [
         ":basic_window",
         ":python_init",