The Subscription interface is independent from FX beans and has uses unrelated to beans, it should therefore be placed in javafx.util.
This should be fixed before [JDK-8311123](https://bugs.openjdk.org/browse/JDK-8311123) is released. ------------- Commit messages: - Move Subscription to javafx.util Changes: https://git.openjdk.org/jfx/pull/1182/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1182&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8312528 Stats: 20 lines in 12 files changed: 9 ins; 7 del; 4 mod Patch: https://git.openjdk.org/jfx/pull/1182.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1182/head:pull/1182 PR: https://git.openjdk.org/jfx/pull/1182
