RFR: JDK-8269387: jpackage --add-launcher should have option to not create shortcuts for additional launchers

[Andy Herrick]

JDK-8269387: jpackage --add-launcher should have option to not create shortcuts for additional launchers

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Commit messages:
 - JDK-8269387: jpackage --add-launcher should have option to not create shortcuts for additional launchers
 - JDK-8269387: jpackage --add-launcher should have option to not create shortcuts for additional launchers
 - JDK-8269387: jpackage --add-launcher should have option to not create shortcuts for additional launchers
 - JDK-8269387: jpackage --add-launcher should have option to not create shortcuts for additional launchers

Changes: https://git.openjdk.java.net/jdk/pull/4730/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4730&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269387
  Stats: 298 lines in 11 files changed: 240 ins; 5 del; 53 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4730.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4730/head:pull/4730

PR: https://git.openjdk.java.net/jdk/pull/4730