RFR: 8367135: Test compiler/loopstripmining/CheckLoopStripMining.java needs internal timeouts adjusted

[Marc Chevalier]

As described, adjust timeout to be as it implicitly used to be.

Thanks,
Marc

-------------

Commit messages:
 - Explicit * 4, but literal

Changes: https://git.openjdk.org/jdk/pull/27167/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27167&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8367135
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/27167.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27167/head:pull/27167

PR: https://git.openjdk.org/jdk/pull/27167