RFR: 8308910: Allow executeAndLog to accept running process

Fri May 26 17:01:26 UTC 2023

There may exist CDS test cases where it makes sense to call executeAndLog with a process after start() as been called. The method can simply be overloaded to take either a ProcessBuilder or a Process.

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Commit messages:
 - 8308910: Allow executeAndLog to accept running process

Changes: https://git.openjdk.org/jdk/pull/14182/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14182&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8308910
  Stats: 8 lines in 1 file changed: 5 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/14182.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14182/head:pull/14182

PR: https://git.openjdk.org/jdk/pull/14182