[jdk17u-dev] RFR: 8272964: java/nio/file/Files/InterruptCopy.java fails with java.lang.RuntimeException: Copy was not interrupted

[Martin Doerr]

Clean backport of [JDK-8272964](https://bugs.openjdk.java.net/browse/JDK-8272964)

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Commit messages:
 - Backport dfeb4132e402c0466740a029c3b1d2d213955822

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/308/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=308&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272964
  Stats: 10 lines in 1 file changed: 7 ins; 1 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/308.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/308/head:pull/308

PR: https://git.openjdk.java.net/jdk17u-dev/pull/308