[jdk17] RFR: 8269403: Fix jpackage tests to gracefully handle jpackage app launcher crashes

[Andy Herrick]

On Fri, 25 Jun 2021 22:41:10 GMT, Alexey Semenyuk <asemenyuk at openjdk.org> wrote:

> jpackage app launcher randomly crashes JVM at termination in EMS enabled JDK builds.
> Until the root cause of the issue is understood and fixed let's add a workaround to jpackage tests to run test app few more times if the first attempt resulted in app crash.

Marked as reviewed by herrick (Reviewer).

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PR: https://git.openjdk.java.net/jdk17/pull/153