fix control loop tests running at 50Hz
diff --git a/aos/common/controls/controls.gyp b/aos/common/controls/controls.gyp
index 15be23c..ad05376 100644
--- a/aos/common/controls/controls.gyp
+++ b/aos/common/controls/controls.gyp
@@ -16,6 +16,7 @@
       ],
       'export_dependent_settings': [
         '<(EXTERNALS):gtest',
+        '<(AOS)/common/common.gyp:time',
         '<(AOS)/common/common.gyp:queue_testutils',
       ],
     },