RFR: 8373710: Improve jpackage error reporting [v2]

[Alexey Semenyuk]

> - Append "Error: " prefix to error messages
> - Always print stack traces of internal exceptions, not only when running in verbose mode

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

  cli/Main fix ErrorTest failure

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28833/files
  - new: https://git.openjdk.org/jdk/pull/28833/files/f5ebedd8..6b6e8cad

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28833&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28833&range=00-01

  Stats: 37 lines in 2 files changed: 23 ins; 4 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/28833.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28833/head:pull/28833

PR: https://git.openjdk.org/jdk/pull/28833