[jdk17u-dev] RFR: 8307411: Test java/foreign/channels/TestAsyncSocketChannels.java failed: IllegalStateException: Already closed

[Goetz Lindenmaier]

I backport this for parity with 17.0.12-oracle.

The removed assertions differ in 17, because there were several updates to panama in the meantime that touched this test.

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Commit messages:
 - Backport f92d095e164bd79b452586e49e166d1ba392632f

Changes: https://git.openjdk.org/jdk17u-dev/pull/2360/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2360&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307411
  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2360.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2360/head:pull/2360

PR: https://git.openjdk.org/jdk17u-dev/pull/2360