Fix double check locking idiom for DefaultTimer lazy init
Fix double check locking idiom for DefaultTimer lazy init

poynt/jPOS,bharavi/jPOS,alcarraz/jPOS,bharavi/jPOS,alcarraz/jPOS,jpos/jPOS,chhil/jPOS,c0deh4xor/jPOS,chhil/jPOS,c0deh4xor/jPOS,barspi/jPOS,poynt/jPOS,barspi/jPOS,barspi/jPOS,alcarraz/jPOS,sebastianpacheco/jPOS,fayezasar/jPOS,c0deh4xor/jPOS,poynt/jPOS,juanibdn/jPOS,imam-san/jPOS-1,juanibdn/jPOS,yinheli/jPOS,jpos/jPOS,imam-san/jPOS-1,atancasis/jPOS,jpos/jPOS,imam-san/jPOS-1,atancasis/jPOS,bharavi/jPOS,yinheli/jPOS,atancasis/jPOS,yinheli/jPOS,sebastianpacheco/jPOS,juanibdn/jPOS,fayezasar/jPOS,sebastianpacheco/jPOS