[jdk11u-dev] RFR: 8350469: [11u] Backport JDK-8239429 to jdk11u-dev

[SendaoYan]

Hi all,

We observed test build/AbsPathsInImage.java fails which has been recorded by https://github.com/dragonwell-project/dragonwell11/issues/934, and this backport can fix the test bug which cause the test failure.

The test bug which cause this test failure has been fixed by JDK-8239429. But JDK-8239429 is invisible cause JDK-8239429 can not backported directly. So I create a new issue to fix the test bug in jdk11u-dev.

Clean backport to fix the test bug, change has been verified locally, test-fix only, no risk.

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Commit messages:
 - 8239429: AbsPathsInImage.java fails in JDK 11u and 14u on Windows

Changes: https://git.openjdk.org/jdk11u-dev/pull/2997/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2997&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8350469
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2997.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2997/head:pull/2997

PR: https://git.openjdk.org/jdk11u-dev/pull/2997