SOLR-6915: Add javax.security.auth.kerberos.KeyTab read permissions.
SOLR-6915: Add javax.security.auth.kerberos.KeyTab read permissions.

git-svn-id: e799fff536a883f3c27ef733fe770373e8a19271@1651409 13f79535-47bb-0310-9956-ffa450edef68

PATRIC3/p3_solr,PATRIC3/p3_solr,PATRIC3/p3_solr,PATRIC3/p3_solr,PATRIC3/p3_solr,PATRIC3/p3_solr,PATRIC3/p3_solr