Addendum patch for HDFS-7172. Contributed by Chris Nauroth.
YARN-2613. Support retry in NMClient for rolling-upgrades. (Contributed by Jian He)
YARN-2446. Augmented Timeline service APIs to start taking in domains as a parameter while posting entities and events. Contributed by Zhijie Shen.

(cherry picked from commit 9e40de6af7959ac7bb5f4e4d2833ca14ea457614)