RFR: 8236127: Use value of --icon CLI option to set icon for exe installers [v3]

[Alexey Semenyuk]

> Use value of `--icon` jpackage CLI option to set icon for exe installers.

Alexey Semenyuk has updated the pull request incrementally with one additional commit since the last revision:

  Fix AppImagePackageTest.testEmpty(true) failure

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3347/files
  - new: https://git.openjdk.java.net/jdk/pull/3347/files/36ec66de..d05753c2

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3347&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3347&range=01-02

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3347.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3347/head:pull/3347

PR: https://git.openjdk.java.net/jdk/pull/3347