Use ScheduledExecutorService to improve performance
Use ScheduledExecutorService to improve performance

Timing improved significantly with a switch to ScheduledExecutorService vs using a
loop with sleep.

Signed-off-by: Mark Charlebois <f1891e7fc976ae1bd489627e2954fb730751d728@gmail.com>

molecule/jMAVSim,PX4/jMAVSim,PX4/jMAVSim,PX4/jMAVSim,iidioter/jMAVSim