Hi,
Fixing the following GPLv2 files with missing CPE statements:

src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/PrettyPrintHandler.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/XmlConsumer.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/XmlUtils.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ExceptionBox.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ThrowingBiConsumer.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ThrowingBiFunction.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ThrowingConsumer.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ThrowingFunction.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ThrowingRunnable.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ThrowingSupplier.java
src/jdk.jpackage/share/classes/jdk/jpackage/internal/util/function/ThrowingUnaryOperator.java