Prefix LOG and CHECK with AOS_

This prepares us for introducing glog more widely and transitioning
things over where they make sense.

Change-Id: Ic6c208882407bc2153fe875ffc736d66f5c8ade5
diff --git a/aos/util/phased_loop_test.cc b/aos/util/phased_loop_test.cc
index 4f07bcc..0a0d5db 100644
--- a/aos/util/phased_loop_test.cc
+++ b/aos/util/phased_loop_test.cc
@@ -183,16 +183,16 @@
 TEST_F(PhasedLoopDeathTest, InvalidValues) {
   EXPECT_DEATH(
       PhasedLoop(milliseconds(1), monotonic_clock::epoch(), milliseconds(2)),
-      ".*offset<interval.*");
+      ".*offset < interval.*");
   EXPECT_DEATH(
       PhasedLoop(milliseconds(1), monotonic_clock::epoch(), milliseconds(1)),
-      ".*offset<interval.*");
+      ".*offset < interval.*");
   EXPECT_DEATH(
       PhasedLoop(milliseconds(1), monotonic_clock::epoch(), milliseconds(-1)),
-      ".*offset>=monotonic_clock::duration\\(0\\).*");
+      ".*offset >= monotonic_clock::duration\\(0\\).*");
   EXPECT_DEATH(
       PhasedLoop(milliseconds(0), monotonic_clock::epoch(), milliseconds(0)),
-      ".*interval>monotonic_clock::duration\\(0\\).*");
+      ".*interval > monotonic_clock::duration\\(0\\).*");
 }
 
 }  // namespace testing