Merge

8142872: Remove support for sun.nio.ch.PollSelectorProvider from 9 Reviewed-by: alanb, simonis

8043138: Attach API should not require jvmstat rmi protocol Reviewed-by: alanb, mchung, erikj, ihse

8144210: Runtime.currentRuntime should be final Reviewed-by: dl, dholmes

8131334: SAAJ Plugability Layer: using java.util.ServiceLoader Reviewed-by: lancea

8143087: Miscellaneous changes imported from jsr166 CVS 2015-11 Reviewed-by: martin, psandoz, chegar, shade, plevart

8142441: Improve jtreg tests for java.util.concurrent Reviewed-by: martin, psandoz, chegar, shade, plevart

8139574: ReentrantReadWriteLock documentation example has compile time error Reviewed-by: martin, psandoz, chegar, shade, plevart

8072015: java/util/Collections/CheckedMapBash.java failed TreeSet(reverseOrder) Reviewed-by: martin, psandoz, chegar, shade, plevart

8140471: java/util/concurrent/locks/ReentrantLock/TimeoutLockLoops.java timed out Reviewed-by: martin, psandoz, chegar, shade, plevart

8140468: java/util/concurrent/locks/ReentrantLock/CancelledLockLoops.java failed with java.lang.Error: Completed == 4; expected 2 8040928: java/util/concurrent/locks/ReentrantLock/CancelledLockLoops.java: java.lang.Error: Completed != 2 Reviewed-by: martin, psandoz, chegar, shade, plevart

8141031: java/util/concurrent/Phaser/Basic.java starts failing intermittently Reviewed-by: martin, psandoz, chegar, shade, plevart

8143086: Document that ForkJoinWorkerThreadFactory.newThread can return null to reject request Reviewed-by: martin, psandoz, chegar, shade, plevart

8143073: Improve documentation for ConcurrentHashMap serialized form Reviewed-by: martin, psandoz, chegar, shade, plevart

8140587: Atomic*FieldUpdaters should use Class.isInstance instead of direct class check Reviewed-by: martin, psandoz, chegar, shade, plevart

8085984: Add JDBC Sharding API Reviewed-by: ulfzibis, joehw