[jdk11u-dev] RFR: 8259265: Refactor UncaughtExceptions shell test as java test.

[Goetz Lindenmaier]

I backport this for parity with 11.0.19-oracle.

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Commit messages:
 - Backport 0ef93feb43eb3f3cb855ed35b1c2e81493924dc8

Changes: https://git.openjdk.org/jdk11u-dev/pull/1752/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1752&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8259265
  Stats: 411 lines in 2 files changed: 206 ins; 205 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1752.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1752/head:pull/1752

PR: https://git.openjdk.org/jdk11u-dev/pull/1752