[jdk11u-dev] RFR: 8232135: Add diagnostic output to test java/util/ProcessBuilder/Basic.java

[Goetz Lindenmaier]

I backport this for parity with 11.0.21-oracle.

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Commit messages:
 - Backport 3af3b5de618a98580ded4401de6d891a38dde482

Changes: https://git.openjdk.org/jdk11u-dev/pull/2253/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2253&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8232135
  Stats: 13 lines in 1 file changed: 13 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2253.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2253/head:pull/2253

PR: https://git.openjdk.org/jdk11u-dev/pull/2253