[jdk15u-dev] RFR: 8280414: Memory leak in DefaultProxySelector

[Olga Mikhaltsova]

I'd like to backport JDK-8280414 to jdk15u in order to fix the mistake related to the memory freeing allocated for the list.

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Commit messages:
 - Backport fe77250fa450ec803d2818dc90c5bf156521d537

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/164/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=164&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280414
  Stats: 11 lines in 1 file changed: 1 ins; 3 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/164.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/164/head:pull/164

PR: https://git.openjdk.java.net/jdk15u-dev/pull/164