IMPALA-3274: Disable Kudu when not using the mini-cluster for testing
IMPALA-3274: Disable Kudu when not using the mini-cluster for testing

This is to unblock the builds.

Change-Id: I8281f0cf75facc1c04d1bf1e729fab2adf45a804
Reviewed-on: http://gerrit.cloudera.org:8080/2673
Reviewed-by: Matthew Jacobs <df2fa7c39d141dc5dc5589fed74180e757ed6c9a@cloudera.com>
Reviewed-by: Alex Behm <fe1626037acfc2dc542d2aa723a6d14f2464a20c@cloudera.com>
Tested-by: Internal Jenkins

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