PartionedMobFileCompactor bulkloaded files shouldn't get replicated (addressing buklload replication related issue raised in HBASE-22380)

Following bulkload replication fixes started in HBASE-22380, this addresses javaman_chen observation regarding PartitionedMobCompactor and bulk loaded. As noted by javaman_chen, PartitionedMobCompactor uses bulkload feature to update resulting hfile into region hstore. This file, however, shouldn't get replicated in any condition. This PR adds required changes and extra test for this situation.