HDFS-6694. Addendum. Update CHANGES.txt for cherry-picking to 2.8.
HDFS-6694. Addendum. Update CHANGES.txt for cherry-picking to 2.8.

nandakumar131/hadoop,legend-hua/hadoop,littlezhou/hadoop,979969786/hadoop,apache/hadoop,lukmajercak/hadoop,JingchengDu/hadoop,apache/hadoop,plusplusjiajia/hadoop,ChetnaChaudhari/hadoop,dennishuo/hadoop,bitmybytes/hadoop,979969786/hadoop,WIgor/hadoop,dennishuo/hadoop,huafengw/hadoop,steveloughran/hadoop,WIgor/hadoop,bitmybytes/hadoop,plusplusjiajia/hadoop,dierobotsdie/hadoop,steveloughran/hadoop,WIgor/hadoop,WIgor/hadoop,xiao-chen/hadoop,xiao-chen/hadoop,wenxinhe/hadoop,szegedim/hadoop,ucare-uchicago/hadoop,steveloughran/hadoop,GeLiXin/hadoop,szegedim/hadoop,plusplusjiajia/hadoop,JingchengDu/hadoop,ChetnaChaudhari/hadoop,ChetnaChaudhari/hadoop,huafengw/hadoop,wenxinhe/hadoop,apurtell/hadoop,plusplusjiajia/hadoop,apurtell/hadoop,dierobotsdie/hadoop,dierobotsdie/hadoop,dierobotsdie/hadoop,xiao-chen/hadoop,apache/hadoop,lukmajercak/hadoop,dennishuo/hadoop,huafengw/hadoop,szegedim/hadoop,apurtell/hadoop,bitmybytes/hadoop,littlezhou/hadoop,bitmybytes/hadoop,ucare-uchicago/hadoop,wenxinhe/hadoop,legend-hua/hadoop,ucare-uchicago/hadoop,legend-hua/hadoop,GeLiXin/hadoop,steveloughran/hadoop,xiao-chen/hadoop,szegedim/hadoop,huafengw/hadoop,huafengw/hadoop,legend-hua/hadoop,nandakumar131/hadoop,wwjiang007/hadoop,WIgor/hadoop,GeLiXin/hadoop,WIgor/hadoop,nandakumar131/hadoop,legend-hua/hadoop,apache/hadoop,dennishuo/hadoop,wenxinhe/hadoop,mapr/hadoop-common,JingchengDu/hadoop,mapr/hadoop-common,Ethanlm/hadoop,ChetnaChaudhari/hadoop,nandakumar131/hadoop,apurtell/hadoop,legend-hua/hadoop,littlezhou/hadoop,GeLiXin/hadoop,huafengw/hadoop,bitmybytes/hadoop,ctrezzo/hadoop,Ethanlm/hadoop,ctrezzo/hadoop,WIgor/hadoop,ChetnaChaudhari/hadoop,apurtell/hadoop,ronny-macmaster/hadoop,ronny-macmaster/hadoop,szegedim/hadoop,ctrezzo/hadoop,ronny-macmaster/hadoop,JingchengDu/hadoop,apache/hadoop,soumabrata-chakraborty/hadoop,wwjiang007/hadoop,nandakumar131/hadoop,lukmajercak/hadoop,mapr/hadoop-common,ucare-uchicago/hadoop,apache/hadoop,mapr/hadoop-common,Ethanlm/hadoop,soumabrata-chakraborty/hadoop,soumabrata-chakraborty/hadoop,Ethanlm/hadoop,legend-hua/hadoop,mapr/hadoop-common,dierobotsdie/hadoop,littlezhou/hadoop,soumabrata-chakraborty/hadoop,apurtell/hadoop,dennishuo/hadoop,GeLiXin/hadoop,steveloughran/hadoop,steveloughran/hadoop,apache/hadoop,lukmajercak/hadoop,ronny-macmaster/hadoop,wenxinhe/hadoop,dennishuo/hadoop,xiao-chen/hadoop,dennishuo/hadoop,GeLiXin/hadoop,ronny-macmaster/hadoop,ucare-uchicago/hadoop,979969786/hadoop,wenxinhe/hadoop,Ethanlm/hadoop,wwjiang007/hadoop,ChetnaChaudhari/hadoop,Ethanlm/hadoop,wenxinhe/hadoop,wwjiang007/hadoop,wwjiang007/hadoop,979969786/hadoop,xiao-chen/hadoop,ctrezzo/hadoop,soumabrata-chakraborty/hadoop,huafengw/hadoop,979969786/hadoop,ucare-uchicago/hadoop,ctrezzo/hadoop,soumabrata-chakraborty/hadoop,szegedim/hadoop,wwjiang007/hadoop,bitmybytes/hadoop,JingchengDu/hadoop,szegedim/hadoop,plusplusjiajia/hadoop,GeLiXin/hadoop,soumabrata-chakraborty/hadoop,littlezhou/hadoop,nandakumar131/hadoop,979969786/hadoop,bitmybytes/hadoop,littlezhou/hadoop,ctrezzo/hadoop,littlezhou/hadoop,wwjiang007/hadoop,979969786/hadoop,lukmajercak/hadoop,dierobotsdie/hadoop,ctrezzo/hadoop,steveloughran/hadoop,apurtell/hadoop,ronny-macmaster/hadoop,lukmajercak/hadoop,ucare-uchicago/hadoop,nandakumar131/hadoop,lukmajercak/hadoop,plusplusjiajia/hadoop,plusplusjiajia/hadoop,ronny-macmaster/hadoop,dierobotsdie/hadoop,mapr/hadoop-common,JingchengDu/hadoop,Ethanlm/hadoop,mapr/hadoop-common,JingchengDu/hadoop,ChetnaChaudhari/hadoop,xiao-chen/hadoop