8029876: Add a test to verify that Logger.getLogger & LogManager.getLogManager don't throw NPE when System.out == null Summary: Adds a new test that verifies that the suspected root cause of JDK-8025512 does not cause NPE to be thrown. Reviewed-by: mchung

8034175: Remove use of UseVMInterruptibleIO from tests Reviewed-by: chegar

8034043: Native methods for preferences API should not be in libjava 8034026: SCDynamicStoreConfig.m should not be in src/macosx/native/java/util Reviewed-by: erikj, weijun, mchung