Default value of 'global/namenode_opt_maxnewsize' should be 200m

    Default value for HDP plugin configuration property
    'global/namenode_opt_maxnewsize' should be changed
    from 640m to 200m.

Change-Id: Ib7ebe383ccacf0b11a038d7a6a2be6ebff2ee115
Closes-Bug: 1291029
Merge "Default value of 'global/namenode_opt_maxnewsize' should be 200m"