IMPALA-4277: Switch to using Hadoop 3 and friends by default.
IMPALA-4277: Switch to using Hadoop 3 and friends by default.

Switches the default from MINICLUSTER_PROFILE=2 to
MINICLUSTER_PROFILE=3.

This change is separate from the preceding change which does
all the heavy lifting, just for convenience.

Cherry-picks: not for 2.x

Change-Id: I424657abebe1c4d6c360b81dab42c2f7b54f8a3e
Reviewed-on: http://gerrit.cloudera.org:8080/9743
Reviewed-by: Philip Zeyliger <3ba3974e96044dcde818e6310ed799abe10671d4@cloudera.com>
Tested-by: Impala Public Jenkins

cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala,cloudera/Impala