Mock the System.nanoTime() and Sysstem.currentTimeMillis() methods for TestUID.java so that Travis builds will pass
Mock the System.nanoTime() and Sysstem.currentTimeMillis() methods for
TestUID.java so that Travis builds will pass

Signed-off-by: Chris Larsen <83037b211e1d109d6858769a113e269c3139ffd3@yahoo-inc.com>

ShefronYudy/opentsdb,OpenTSDB/opentsdb,johann8384/opentsdb,MadDogTechnology/opentsdb,alienth/opentsdb,MadDogTechnology/opentsdb,OpenTSDB/opentsdb,MadDogTechnology/opentsdb,eswdd/opentsdb,johann8384/opentsdb,alienth/opentsdb,andyflury/opentsdb,andyflury/opentsdb,OpenTSDB/opentsdb,ShefronYudy/opentsdb,eswdd/opentsdb