adding diagnostic output IPSupport.printPlatformSupport(System.out)

to tests in java/nio/channels/Selector

java/nio/channels/Selector/CustomFileSystem.java
java/nio/channels/Selector/CheckLocking.java
java/nio/channels/Selector/WakeupSpeed.java
java/nio/channels/Selector/HelperSlowToDie.java
java/nio/channels/Selector/LotsOfChannels.java
java/nio/channels/Selector/StackOverflowTest.java
java/nio/channels/Selector/WakeupOverflow.java
java/nio/channels/Selector/Alias.java
java/nio/channels/Selector/CloseInvalidatesKeys.java
java/nio/channels/Selector/SelectorTest.java
java/nio/channels/Selector/LotsOfUpdatesTest.java
java/nio/channels/Selector/KeysReady.java
java/nio/channels/Selector/LotsOfCancels.java
java/nio/channels/Selector/OpRead.java
java/nio/channels/Selector/RacyDeregister.java
java/nio/channels/Selector/RegAfterPreClose.java
java/nio/channels/Selector/SelectWithConsumer.java
java/nio/channels/Selector/SelectAfterRead.java
java/nio/channels/Selector/BasicAccept.java
java/nio/channels/Selector/TemporarySelector.java
java/nio/channels/Selector/CancelDuringRegister.java
java/nio/channels/Selector/UpdateReadyOps.java
java/nio/channels/Selector/WakeupEmpty.java
java/nio/channels/Selector/SelectNowWhenEmpty.java
java/nio/channels/Selector/BasicConnect.java
java/nio/channels/Selector/RegisterDuringSelect.java
java/nio/channels/Selector/SelectWrite.java
java/nio/channels/Selector/SelectAndClose.java
java/nio/channels/Selector/OutOfBand.java
java/nio/channels/Selector/KeySets.java
java/nio/channels/Selector/RaceUpdatesAndClose.java
java/nio/channels/Selector/ReadAfterConnect.java
java/nio/channels/Selector/SelectAndCancel.java
java/nio/channels/Selector/ByteServer.java
java/nio/channels/Selector/SelectTimeout.java
java/nio/channels/Selector/CloseWhenKeyIdle.java
java/nio/channels/Selector/Close.java
java/nio/channels/Selector/ConnectWrite.java
java/nio/channels/Selector/LotsOfInterrupts.java
java/nio/channels/Selector/LotsOfUpdates.java
java/nio/channels/Selector/Wakeup.java
java/nio/channels/Selector/ChangingInterests.java
java/nio/channels/Selector/SelectorUtils.java
java/nio/channels/Selector/Connect.java
java/nio/channels/Selector/CloseThenRegister.java
java/nio/channels/Selector/SelectorLimit.java
java/nio/channels/Selector/WakeupNow.java
java/nio/channels/Selector/WakeupAfterClose.java
java/nio/channels/Selector/CustomFileSystemProvider.java

java/nio/channels/Selector/DeferredClose
java/nio/channels/Selector/DeferredClose/DeferredCloseTest.java
java/nio/channels/Selector/DeferredClose/java.base/java/net/InetSocketAddress.java