MAPREDUCE-5234. Change mapred.TaskReport and mapreduce.TaskReport for binary compatibility with mapred in 1.x but incompatible with 0.23.x. Contributed by Mayank Bansal.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1483940 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HDFS-4310-trunk-gd