8164982: Fix legal notices in java/lang, java/net, java/util tests

jdk/test/java/lang/Class/GetModuleTest.java

jdk/test/java/lang/Class/GetPackageTest.java

jdk/test/java/lang/ClassLoader/GetSystemPackage.java

jdk/test/java/lang/ClassLoader/deadlock/GetResource.java

jdk/test/java/lang/ProcessBuilder/CloseRace.java

jdk/test/java/lang/ProcessBuilder/PipelineTest.java

jdk/test/java/lang/StackWalker/CountLocalSlots.java

jdk/test/java/lang/StackWalker/LocalsAndOperands.java

jdk/test/java/lang/StackWalker/LocalsCrash.java

...t/java/lang/String/concat/CompactStringsInitialCoder.java

...a/lang/String/concat/StringConcatFactoryEmptyMethods.java

jdk/test/java/lang/String/concat/WithSecurityManager.java

jdk/test/java/lang/Thread/ThreadStateController.java

.../annotation/typeAnnotations/GetAnnotatedReceiverType.java

jdk/test/java/lang/instrument/NMTHelper.java

jdk/test/java/lang/invoke/6987555/Test6987555.java

jdk/test/java/lang/invoke/6991596/Test6991596.java

jdk/test/java/lang/invoke/6998541/Test6998541.java

jdk/test/java/lang/invoke/7087570/Test7087570.java

jdk/test/java/lang/invoke/7157574/Test7157574.java