Update HISTORY.md for GetThreadList() update.
Update HISTORY.md for GetThreadList() update.

Summary: Update HISTORY.md for GetThreadList() update.

Test Plan: no code change

Reviewers: sdong, rven, anthony, krishnanm86, igor

Reviewed By: igor

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D38685

mbarbon/rocksdb,RyanTech/rocksdb,JackLian/rocksdb,makelivedotnet/rocksdb,caijieming-baidu/rocksdb,wskplho/rocksdb,anagav/rocksdb,dkorolev/rocksdb,alihalabyah/rocksdb,fengshao0907/rocksdb,geraldoandradee/rocksdb,hobinyoon/rocksdb,hobinyoon/rocksdb,SunguckLee/RocksDB,luckywhu/rocksdb,tizzybec/rocksdb,OverlordQ/rocksdb,JoeWoo/rocksdb,sorphi/rocksdb,wat-ze-hex/rocksdb,dkorolev/rocksdb,rDSN-Projects/rocksdb.replicated,jalexanderqed/rocksdb,dkorolev/rocksdb,alihalabyah/rocksdb,sorphi/rocksdb,biddyweb/rocksdb,JackLian/rocksdb,wlqGit/rocksdb,jalexanderqed/rocksdb,hobinyoon/rocksdb,wskplho/rocksdb,norton/rocksdb,sorphi/rocksdb,wat-ze-hex/rocksdb,ylong/rocksdb,jalexanderqed/rocksdb,zhangpng/rocksdb,siddhartharay007/rocksdb,Andymic/rocksdb,Andymic/rocksdb,rDSN-Projects/rocksdb.replicated,tizzybec/rocksdb,alihalabyah/rocksdb,JackLian/rocksdb,caijieming-baidu/rocksdb,dkorolev/rocksdb,sorphi/rocksdb,skunkwerks/rocksdb,SunguckLee/RocksDB,JohnPJenkins/rocksdb,facebook/rocksdb,anagav/rocksdb,wenduo/rocksdb,jalexanderqed/rocksdb,JohnPJenkins/rocksdb,bbiao/rocksdb,lgscofield/rocksdb,wlqGit/rocksdb,rDSN-Projects/rocksdb.replicated,kaschaeffer/rocksdb,Vaisman/rocksdb,jalexanderqed/rocksdb,flabby/rocksdb,JohnPJenkins/rocksdb,skunkwerks/rocksdb,geraldoandradee/rocksdb,caijieming-baidu/rocksdb,tsheasha/rocksdb,sorphi/rocksdb,vmx/rocksdb,fengshao0907/rocksdb,lgscofield/rocksdb,anagav/rocksdb,OverlordQ/rocksdb,wat-ze-hex/rocksdb,vmx/rocksdb,vmx/rocksdb,vashstorm/rocksdb,Vaisman/rocksdb,wlqGit/rocksdb,wat-ze-hex/rocksdb,norton/rocksdb,IMCG/RcoksDB,ylong/rocksdb,norton/rocksdb,temicai/rocksdb,tizzybec/rocksdb,makelivedotnet/rocksdb,Applied-Duality/rocksdb,norton/rocksdb,siddhartharay007/rocksdb,skunkwerks/rocksdb,ryneli/rocksdb,wskplho/rocksdb,lgscofield/rocksdb,rDSN-Projects/rocksdb.replicated,flabby/rocksdb,vashstorm/rocksdb,biddyweb/rocksdb,temicai/rocksdb,wskplho/rocksdb,anagav/rocksdb,Vaisman/rocksdb,flabby/rocksdb,skunkwerks/rocksdb,Andymic/rocksdb,kaschaeffer/rocksdb,norton/rocksdb,geraldoandradee/rocksdb,luckywhu/rocksdb,wenduo/rocksdb,flabby/rocksdb,dkorolev/rocksdb,wenduo/rocksdb,mbarbon/rocksdb,ryneli/rocksdb,geraldoandradee/rocksdb,tsheasha/rocksdb,skunkwerks/rocksdb,flabby/rocksdb,RyanTech/rocksdb,anagav/rocksdb,caijieming-baidu/rocksdb,hobinyoon/rocksdb,siddhartharay007/rocksdb,Vaisman/rocksdb,bbiao/rocksdb,IMCG/RcoksDB,geraldoandradee/rocksdb,luckywhu/rocksdb,caijieming-baidu/rocksdb,mbarbon/rocksdb,temicai/rocksdb,OverlordQ/rocksdb,skunkwerks/rocksdb,fengshao0907/rocksdb,RyanTech/rocksdb,ylong/rocksdb,kaschaeffer/rocksdb,geraldoandradee/rocksdb,JoeWoo/rocksdb,Applied-Duality/rocksdb,fengshao0907/rocksdb,wskplho/rocksdb,anagav/rocksdb,luckywhu/rocksdb,hobinyoon/rocksdb,facebook/rocksdb,anagav/rocksdb,wenduo/rocksdb,OverlordQ/rocksdb,hobinyoon/rocksdb,zhangpng/rocksdb,makelivedotnet/rocksdb,biddyweb/rocksdb,wskplho/rocksdb,tsheasha/rocksdb,temicai/rocksdb,SunguckLee/RocksDB,dkorolev/rocksdb,SunguckLee/RocksDB,OverlordQ/rocksdb,biddyweb/rocksdb,IMCG/RcoksDB,alihalabyah/rocksdb,IMCG/RcoksDB,wlqGit/rocksdb,fengshao0907/rocksdb,tizzybec/rocksdb,ryneli/rocksdb,JoeWoo/rocksdb,siddhartharay007/rocksdb,RyanTech/rocksdb,wenduo/rocksdb,rDSN-Projects/rocksdb.replicated,RyanTech/rocksdb,tsheasha/rocksdb,facebook/rocksdb,Andymic/rocksdb,facebook/rocksdb,alihalabyah/rocksdb,facebook/rocksdb,vmx/rocksdb,Applied-Duality/rocksdb,wlqGit/rocksdb,bbiao/rocksdb,fengshao0907/rocksdb,lgscofield/rocksdb,IMCG/RcoksDB,mbarbon/rocksdb,luckywhu/rocksdb,ylong/rocksdb,Andymic/rocksdb,hobinyoon/rocksdb,ryneli/rocksdb,luckywhu/rocksdb,geraldoandradee/rocksdb,makelivedotnet/rocksdb,kaschaeffer/rocksdb,JoeWoo/rocksdb,Applied-Duality/rocksdb,JoeWoo/rocksdb,norton/rocksdb,luckywhu/rocksdb,bbiao/rocksdb,wskplho/rocksdb,rDSN-Projects/rocksdb.replicated,wenduo/rocksdb,biddyweb/rocksdb,tizzybec/rocksdb,JohnPJenkins/rocksdb,tsheasha/rocksdb,biddyweb/rocksdb,facebook/rocksdb,sorphi/rocksdb,lgscofield/rocksdb,JoeWoo/rocksdb,sorphi/rocksdb,wat-ze-hex/rocksdb,rDSN-Projects/rocksdb.replicated,temicai/rocksdb,bbiao/rocksdb,jalexanderqed/rocksdb,ylong/rocksdb,OverlordQ/rocksdb,flabby/rocksdb,zhangpng/rocksdb,zhangpng/rocksdb,norton/rocksdb,Vaisman/rocksdb,lgscofield/rocksdb,JohnPJenkins/rocksdb,caijieming-baidu/rocksdb,hobinyoon/rocksdb,vashstorm/rocksdb,wat-ze-hex/rocksdb,caijieming-baidu/rocksdb,vashstorm/rocksdb,vmx/rocksdb,JohnPJenkins/rocksdb,tizzybec/rocksdb,vmx/rocksdb,mbarbon/rocksdb,Applied-Duality/rocksdb,bbiao/rocksdb,ryneli/rocksdb,lgscofield/rocksdb,RyanTech/rocksdb,IMCG/RcoksDB,JackLian/rocksdb,tsheasha/rocksdb,wenduo/rocksdb,jalexanderqed/rocksdb,ylong/rocksdb,vmx/rocksdb,Vaisman/rocksdb,makelivedotnet/rocksdb,RyanTech/rocksdb,ryneli/rocksdb,Andymic/rocksdb,kaschaeffer/rocksdb,kaschaeffer/rocksdb,makelivedotnet/rocksdb,SunguckLee/RocksDB,SunguckLee/RocksDB,vashstorm/rocksdb,Applied-Duality/rocksdb,norton/rocksdb,wat-ze-hex/rocksdb,ryneli/rocksdb,IMCG/RcoksDB,JackLian/rocksdb,siddhartharay007/rocksdb,wlqGit/rocksdb,OverlordQ/rocksdb,temicai/rocksdb,fengshao0907/rocksdb,vmx/rocksdb,wenduo/rocksdb,alihalabyah/rocksdb,JackLian/rocksdb,zhangpng/rocksdb,mbarbon/rocksdb,zhangpng/rocksdb,dkorolev/rocksdb,wat-ze-hex/rocksdb,siddhartharay007/rocksdb,Applied-Duality/rocksdb,makelivedotnet/rocksdb,kaschaeffer/rocksdb,alihalabyah/rocksdb,JoeWoo/rocksdb,bbiao/rocksdb,Andymic/rocksdb,Andymic/rocksdb,mbarbon/rocksdb,flabby/rocksdb,SunguckLee/RocksDB,ylong/rocksdb,JackLian/rocksdb,wlqGit/rocksdb,zhangpng/rocksdb,siddhartharay007/rocksdb,tsheasha/rocksdb,bbiao/rocksdb,vashstorm/rocksdb,JohnPJenkins/rocksdb,skunkwerks/rocksdb,vashstorm/rocksdb,temicai/rocksdb,biddyweb/rocksdb,facebook/rocksdb,facebook/rocksdb,tizzybec/rocksdb,SunguckLee/RocksDB,Vaisman/rocksdb,tsheasha/rocksdb