Don't use TIMER_ABSTIME in time_test.

If TIMER_ABSTIME is used in timer_settime(), the timer is always fired
immediately, which is not the intent of the tests.

Change-Id: I76047dbeb2bdded272ee6d028630b53bfd7d8514
diff --git a/tests/time_test.cpp b/tests/time_test.cpp
index c37df36..052997a 100644
--- a/tests/time_test.cpp
+++ b/tests/time_test.cpp
@@ -166,7 +166,7 @@
   ts.it_value.tv_nsec = value_ns;
   ts.it_interval.tv_sec = interval_s;
   ts.it_interval.tv_nsec = interval_ns;
-  ASSERT_EQ(0, timer_settime(t, TIMER_ABSTIME, &ts, NULL));
+  ASSERT_EQ(0, timer_settime(t, 0, &ts, NULL));
 }
 
 static void NoOpNotifyFunction(sigval_t) {
@@ -223,7 +223,7 @@
   ts.it_value.tv_nsec = 1;
   ts.it_interval.tv_sec = 0;
   ts.it_interval.tv_nsec = 0;
-  ASSERT_EQ(0, timer_settime(timer_id, TIMER_ABSTIME, &ts, NULL));
+  ASSERT_EQ(0, timer_settime(timer_id, 0, &ts, NULL));
 
   usleep(500000);
   ASSERT_EQ(1, timer_create_SIGEV_SIGNAL_signal_handler_invocation_count);