hg: jdk/sandbox: 8245147: Refactor and improve utility of test/langtools/tools/javac/versions/Versions.java

[chris.hegarty at oracle.com]

Changeset: 5e33db086599
Author:    darcy
Date:      2020-05-19 15:17 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/5e33db086599

8245147: Refactor and improve utility of test/langtools/tools/javac/versions/Versions.java
Reviewed-by: vromero

! test/langtools/tools/javac/versions/Versions.java