[jdk21u-dev] RFR: 8318492: Http2ClientImpl should attempt to close and remove connection in stop()

[Daniel Hu]

Clean backport. Improves Http2ClientImpl::stop(); when connections are successfully closed, they are removed from the internal map tracking connections. GHA passes.

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Commit messages:
 - Merge branch 'openjdk:master' into 8318492
 - Backport 576c9bccfbe6718fe8fe409bc165000bd1554589

Changes: https://git.openjdk.org/jdk21u-dev/pull/2221/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2221&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8318492
  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2221.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2221/head:pull/2221

PR: https://git.openjdk.org/jdk21u-dev/pull/2221