RFR: 8252730: Ordering modules to guarantee repeatable jlink image writes

[Ian Graves]

Related to [JDK-8252730 jlink does not create reproducible builds on different
servers](https://bugs.openjdk.java.net/browse/JDK-8252730). Introduces ordering based on `Archive` module names to
ensure stable files (and file signatures) across generated JDK images by jlink.

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Commit messages:
 - Ordering module writes to guarantee repeatable jlink image writes

Changes: https://git.openjdk.java.net/jdk/pull/156/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=156&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8252730
  Stats: 9 lines in 1 file changed: 2 ins; 0 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk/pull/156.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/156/head:pull/156

PR: https://git.openjdk.java.net/jdk/pull/156