HADOOP-13307. add rsync to Dockerfile so that precommit archive works. Contributed by Allen Wittenauer.
HADOOP-13307. add rsync to Dockerfile so that precommit archive works. Contributed by Allen Wittenauer.

(cherry picked from commit 85209cc59152bcd7070b0a654af7d64105d36a6b)
(cherry picked from commit fb13ab07270067062998381b238ba9def87aa304)

zrccxyb62/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop