[jdk11u-dev] RFR: 8228508: [TESTBUG] java/net/httpclient/SmokeTest.java fails on Windows7

[Goetz Lindenmaier]

I downport this for parity with 11.0.13-oracle.
No risk, only a test change.

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Commit messages:
 - Backport b4a7fb856ba622175f3c3652186874122e4dee3c

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/388/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=388&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8228508
  Stats: 102 lines in 2 files changed: 42 ins; 37 del; 23 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/388.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/388/head:pull/388

PR: https://git.openjdk.java.net/jdk11u-dev/pull/388