Some CLDR locales have partial list patterns, such as only the "end" pattern, and expect "start" and "middle" patterns to be inherited from parent locales. Made the code capable of the inheritance.
------------- Commit messages: - initial commit Changes: https://git.openjdk.org/jdk/pull/15935/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15935&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8316974 Stats: 39 lines in 2 files changed: 35 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/15935.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15935/head:pull/15935 PR: https://git.openjdk.org/jdk/pull/15935
