YARN-9513. Addendum patch: Fix ASF License warnings. Contributed by Giovanni Matteo Fumarola.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/pom.xml

@@ -345,6 +345,7 @@
             <exclude>src/test/resources/delete-reservation.json</exclude>
             <exclude>src/test/resources/update-reservation.json</exclude>
             <exclude>src/test/resources/invariants.txt</exclude>
+            <exclude>src/test/resources/invariants_jdk9.txt</exclude>
             <exclude>src/test/resources/profiles/sample-profiles-1.json</exclude>
             <exclude>src/test/resources/profiles/sample-profiles-2.json</exclude>
             <exclude>src/test/resources/profiles/illegal-profiles-1.json</exclude>