RFR: 8368625: com/sun/net/httpserver/ServerStopTerminationTest.java fails intermittently in tier7

[Mikhail Yankelevich]

I believe that increasing the timeout might help, as it seems to be happening due to the machine load. I'm going to make a pr increasing the timeout to 20 from 5 (similar to what it was when timeout factor was 4).

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Commit messages:
 - JDK-8368625: com/sun/net/httpserver/ServerStopTerminationTest.java fails intermittently in tier7

Changes: https://git.openjdk.org/jdk/pull/27670/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27670&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8368625
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27670.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27670/head:pull/27670

PR: https://git.openjdk.org/jdk/pull/27670