JAVA-17760, Fix [WARNING] JAR will be empty - no content was marked f… (#13645)

* JAVA-17760, Fix [WARNING] JAR will be empty - no content was marked for inclusion! Test project with no "main" under "src" folder. Include java-ee-8-security-api back since it did not take too long to run locally. Add spring-credhub to parent pom build.

* JAVA-17760, Add spring-credhub to integration-jdk9 profile as well.

* JAVA-17760, JAVA-20009 Revert changes to module javaxval-2 and Add module spring-credhub to default-jdk9 profile as well as integration-jdk9 profile.

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Co-authored-by: jogra <joseph.sterling.grah@miles.no>

pom.xml

@@ -916,6 +916,7 @@
                 <module>spring-activiti</module>
                 <module>spring-core-2</module>
                 <module>spring-core-3</module>
+                <module>spring-credhub</module>
                 <module>spring-di-3</module>
                 <module>spring-cucumber</module>
 
@@ -1170,6 +1171,7 @@
                 <module>spring-activiti</module>
                 <module>spring-core-2</module>
                 <module>spring-core-3</module>
+                <module>spring-credhub</module>
                 <module>spring-di-3</module>
                 <module>spring-cucumber</module>