[jdk17u-dev] RFR: 8322920: Some ProcessTools.execute* functions are declared to throw Throwable

[Goetz Lindenmaier]

I backport this to keep the testing tools up to date. 

Resolved Copyright, will mark clean.

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Commit messages:
 - Backport 868f8745faf70c915d8294ae8f85b2d6aa096900

Changes: https://git.openjdk.org/jdk17u-dev/pull/2304/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2304&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8322920
  Stats: 6 lines in 1 file changed: 0 ins; 2 del; 4 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2304.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2304/head:pull/2304

PR: https://git.openjdk.org/jdk17u-dev/pull/2304