[DOCS] List SCHEDULE_RANDOM_REPLICA in alphabetical order.
[DOCS] List SCHEDULE_RANDOM_REPLICA in alphabetical order.

Change-Id: I1e5ad55b588b668c4b4dfc700f375e39b2453e28
Reviewed-on: http://gerrit.cloudera.org:8080/5835
Reviewed-by: Lars Volker <4d73c29a4561048ce85fa0051bb7a6d201781159@cloudera.com>
Reviewed-by: John Russell <308573a947c636ab812b35943b6242633bef8113@cloudera.com>
Tested-by: Impala Public Jenkins

cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,michaelhkw/incubator-impala,cloudera/Impala,michaelhkw/incubator-impala,cloudera/Impala,cloudera/Impala