[jdk11u-dev] RFR: 8238203: Return value of GetUserDefaultUILanguage() should be handled as LANGID [v2]

[Stephanie Crater]

> Backport of JDK-8238203
> ---------
> ### Progress
> - [ ] Change must be properly reviewed (1 review required, with at least 1 [Reviewer](https://openjdk.org/bylaws#reviewer))
> - [x] Change must not contain extraneous whitespace
> - [x] Commit message must refer to an issue
> 
> ### Error
>  ⚠️ The pull request body must not be empty.
> 
> 
> 
> ### Reviewing
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> `$ git checkout pull/1224`
> 
> Update a local copy of the PR: \
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> `$ git pull https://git.openjdk.org/jdk11u-dev pull/1224/head`
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> </details>

Stephanie Crater has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:

  Backport 1cd5eac5c36b32ca35a23668c3124f23787d91d0

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

Changes: https://git.openjdk.org/jdk11u-dev/pull/1224/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1224&range=01
  Stats: 6 lines in 1 file changed: 1 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1224.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1224/head:pull/1224

PR: https://git.openjdk.org/jdk11u-dev/pull/1224