Fix rounding in phased_loop

For 1 nanosecond every period, it would CHECK-fail.

Change-Id: I5b9d73eab87f84169697996923edb9e56c85ac2d
diff --git a/aos/util/BUILD b/aos/util/BUILD
index f487892..b23b720 100644
--- a/aos/util/BUILD
+++ b/aos/util/BUILD
@@ -267,7 +267,7 @@
     deps = [
         ":phased_loop",
         "//aos/testing:googletest",
-        "//aos/testing:test_logging",
+        "//aos/time",
     ],
 )