Some sources without license header

[rapgro]

GPL requires to have license header in sources. We found some of the test files have none.

jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/classfilereader/Parent.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/org/pantsbuild/jmake/ClassFileReaderTest.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/org/pantsbuild/jmake/CompileResult.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/org/pantsbuild/jmake/PCDManagerTest.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/org/pantsbuild/jmake/PCDSerializationTest.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/org/pantsbuild/jmake/TestPCDUtils.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/org/pantsbuild/jmake/UtilsTest.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/packageinfo/package-info.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/testcase1/A.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/testcase1/B.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/testcase1/C.java
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/testcase2/orig-files/with-extra
jmake-7761ee3e1537ccc61820c0d30061eb09edaf1c93/test/testcase2/orig-files/without-extra