[jdk19u] RFR: 8292899: CustomTzIDCheckDST.java testcase failed on AIX platform

[Ichiroh Takiguchi]

8292899: CustomTzIDCheckDST.java testcase failed on AIX platform

-------------

Commit messages:
 - Backport 3464019d7e8fe57adc910339c00ba79884c77852

Changes: https://git.openjdk.org/jdk19u/pull/49/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19u&pr=49&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292899
  Stats: 17 lines in 1 file changed: 11 ins; 1 del; 5 mod
  Patch: https://git.openjdk.org/jdk19u/pull/49.diff
  Fetch: git fetch https://git.openjdk.org/jdk19u pull/49/head:pull/49

PR: https://git.openjdk.org/jdk19u/pull/49