Converted trapezoid_profile over to monotonic_clock

This also involves updating all the callers, and updating
control_loop's frequency variable.

Change-Id: Ic88d2715db30efcc25721da2dd8c89910ede7788
diff --git a/aos/common/controls/control_loop.h b/aos/common/controls/control_loop.h
index d56e5d8..f589ed7 100644
--- a/aos/common/controls/control_loop.h
+++ b/aos/common/controls/control_loop.h
@@ -37,7 +37,8 @@
 };
 
 // Control loops run this often, "starting" at time 0.
-constexpr time::Time kLoopFrequency = time::Time::InSeconds(0.005);
+constexpr ::std::chrono::nanoseconds kLoopFrequency =
+    ::std::chrono::milliseconds(5);
 
 // Provides helper methods to assist in writing control loops.
 // This template expects to be constructed with a queue group as an argument