RFR: 8367573: JNI exception pending in os_getCmdlineAndUserInfo of ProcessHandleImpl_aix.c

[Matthias Baesken]

Similar to JDK-8367138 , we should add a JNI exception check to os_getCmdlineAndUserInfo on AIX .

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Commit messages:
 - JDK-8367573

Changes: https://git.openjdk.org/jdk/pull/27313/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27313&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8367573
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/27313.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27313/head:pull/27313

PR: https://git.openjdk.org/jdk/pull/27313