Merge
8179460: Fix unnecessary uses of {@docRoot} in serviceability APIsReviewed-by: mchung
8179631: Fix Html5 errors in java.management, jdk.management, jdk.jdi and jdk.attachReviewed-by: mchung
8042901: Allow com.sun.management to be in a different module to java.lang.managementReviewed-by: mchung, dfuchs, erikj, jbachorik