[jdk16u] RFR: 7146776: deadlock between URLStreamHandler.getHostAddress and file.Handler.openconnection

[Evan Whelan]

Hi all,

This backports 7146776 for parity between update releases.

Thanks

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Commit messages:
 - 7146776: deadlock between URLStreamHandler.getHostAddress and file.Handler.openconnection

Changes: https://git.openjdk.java.net/jdk16u/pull/6/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk16u&pr=6&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-7146776
  Stats: 45 lines in 2 files changed: 25 ins; 15 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk16u/pull/6.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16u pull/6/head:pull/6

PR: https://git.openjdk.java.net/jdk16u/pull/6