Fix logging message in core/server/master/src/main/java/alluxio/master/file/replication/ReplicationChecker.java

[apc999]

In https://github.com/Alluxio/alluxio/blob/3c3335fb2c1342e8c53648ad3c4740b9cbb7ecd1/core/server/master/src/main/java/alluxio/master/file/replication/ReplicationChecker.java#L176

change
LOG.debug("Failed to contact job master to get updated list of replication jobs {}", e);
to
LOG.debug("Failed to contact job master to get updated list of replication jobs: ", e);

[JackWangCS]

/assign @JackWangCS