Make monotonic_now a required parameter to PhasedLoop

This prepares us much better for mocking out time as part of the event
loop conversion.

Change-Id: I57560b97b265ddd41fe7a4e9f74d7b1324d15955
diff --git a/y2017/actors/autonomous_actor.cc b/y2017/actors/autonomous_actor.cc
index 841b18c..b263139 100644
--- a/y2017/actors/autonomous_actor.cc
+++ b/y2017/actors/autonomous_actor.cc
@@ -298,6 +298,7 @@
       ::aos::time::DurationInSeconds(monotonic_clock::now() - start_time));
 
   ::aos::time::PhasedLoop phased_loop(::std::chrono::milliseconds(5),
+                                      event_loop()->monotonic_now(),
                                       ::std::chrono::milliseconds(5) / 2);
 
   while (!ShouldCancel()) {
diff --git a/y2017/actors/autonomous_actor.h b/y2017/actors/autonomous_actor.h
index 7332344..ac79eb9 100644
--- a/y2017/actors/autonomous_actor.h
+++ b/y2017/actors/autonomous_actor.h
@@ -72,6 +72,7 @@
 
   void WaitForHoodZeroed() {
     ::aos::time::PhasedLoop phased_loop(::std::chrono::milliseconds(5),
+                                        event_loop()->monotonic_now(),
                                         ::std::chrono::milliseconds(5) / 2);
     while (true) {
       if (ShouldCancel()) return;
diff --git a/y2017/wpilib_interface.cc b/y2017/wpilib_interface.cc
index 6fd02fc..b72d6e9 100644
--- a/y2017/wpilib_interface.cc
+++ b/y2017/wpilib_interface.cc
@@ -300,6 +300,7 @@
     ::aos::SetCurrentThreadRealtimePriority(27);
 
     ::aos::time::PhasedLoop phased_loop(::std::chrono::milliseconds(20),
+                                        ::aos::monotonic_clock::now(),
                                         ::std::chrono::milliseconds(1));
 
     while (run_) {