Switch code to JSR 166e atomic counter.
Switch code to JSR 166e atomic counter.

Change-Id: Ic9df25affc4ddf39644519e84e030f8d5f256980

angushe/asynchbase,SteamShon/asynchbase,tsuna/asynchbase,nvoron23/asynchbase,nvoron23/asynchbase,angushe/asynchbase,Connexity/asynchbase,hzy001/asynchbase,adityakishore/asynchbase,mapr/asynchbase,StumbleUponArchive/asynchbase,mway08/asynchbase,adityakishore/asynchbase,hzy001/asynchbase,tsuna/asynchbase,pythian/asynchbase,mway08/asynchbase,OpenTSDB/asynchbase,StumbleUponArchive/asynchbase,manolama/asyncbigtable,hhshuai/asynchbase,yuzhu712/asynchbase,yuzhu712/asynchbase,tempbottle/asynchbase,OpenTSDB/asyncbigtable,SteamShon/asynchbase,manolama/asynchbase,mapr/asynchbase,OpenTSDB/asynchbase,Connexity/asynchbase,tempbottle/asynchbase,hhshuai/asynchbase,manolama/asynchbase