[jdk21u-dev] RFR: 8319153: Fix: Class is a raw type in ProcessTools

[Goetz Lindenmaier]

A small fix of testing infra.

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Commit messages:
 - Backport 1c2ea1d27b1895dca3b30073e3516978083dc70a

Changes: https://git.openjdk.org/jdk21u-dev/pull/439/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=439&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8319153
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/439.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/439/head:pull/439

PR: https://git.openjdk.org/jdk21u-dev/pull/439