Update UAA, login, and saml-login to use OpenJDK rather than Oracle's JDK.

This commit also changes the Java runtime from a JRE to a JDK for these components.

This commit also updates Apache Tomcat to 7.0.42.

Artifacts for these were obtained from https://github.com/cloudfoundry/java-buildpack-dependency-builder

[Finishes #55343084 #55343080]