8129988: JSSE should create a single instance of the cacerts KeyStoreReviewed-by: mullan
8081347: Add @modules to jdk_core testsReviewed-by: alanb, joehw, lanceaContributed-by: alexander.kulyakhtin@oracle.com, alan.bateman@oracle.com, mandy.chung@oracle.com
8076117: EndEntityChecker should not process custom extensions after PKIX validationReviewed-by: xuelei, mullan