[jdk17u-dev] RFR: 8267893: Improve jtreg test failure handler do get native/mixed stack traces for cores and live processes [v2]

[Goetz Lindenmaier]

> I backport this for parity with 17.0.15-oracle.
> 
> Resolved, probably clean.
> Ran local tests and test with makefile using the failure handler. Works.

Goetz Lindenmaier has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Backport 8c8422e0f8886d9bbfca29fd228368f88bf46f2c

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/3247/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/3247/files/b4777c5d..f26f432f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3247&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3247&range=00-01

  Stats: 30 lines in 1 file changed: 30 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3247.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3247/head:pull/3247

PR: https://git.openjdk.org/jdk17u-dev/pull/3247