[jdk18u] RFR: 8271008: appcds/*/MethodHandlesAsCollectorTest.java tests time out because of excessive GC (CodeCache GC Threshold) in loom

[Tobias Hartmann]

Backport of [JDK-8271008](https://bugs.openjdk.java.net/browse/JDK-8271008). Applies cleanly. Approval is pending.

Thanks,
Tobias

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Commit messages:
 - 8271008: appcds/*/MethodHandlesAsCollectorTest.java tests time out because of excessive GC (CodeCache GC Threshold) in loom

Changes: https://git.openjdk.java.net/jdk18u/pull/81/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=81&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8271008
  Stats: 36 lines in 5 files changed: 6 ins; 10 del; 20 mod
  Patch: https://git.openjdk.java.net/jdk18u/pull/81.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18u pull/81/head:pull/81

PR: https://git.openjdk.java.net/jdk18u/pull/81