Add exclusions to mc-xapp sonar jjb description

This change adds analysis and coverage exclusions to the jjb description
for the mc-listener sonar job.  The test directory is excluded from
analysis and coverage reports as those are not valid.

Issue-ID: RIC-632

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I937939dc76e162f6685ac6b33fe430ad20633283