[jdk8u-dev] RFR: 8258805: Japanese characters not entered by mouse click on Windows 10

[Takuya Kiriyama]

Hi all,
I would like to backport this bug fix (JDK-8258805) to jdk8. It is clean.
This fix depends on the fix for JDK-8212678. Since I have already created a backport pull request for JDK-8212678, it is desirable that they be integrated together.
https://github.com/openjdk/jdk8u-dev/pull/706 

I have confirmed that the issue is resolved on Windows 11 and Windows Server 2016.
I have also confirmed that the java/awt/im and java/awt/InputMethods tests pass.

Thank you.

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Depends on: https://git.openjdk.org/jdk8u-dev/pull/706

Commit messages:
 - 8258805: Japanese characters not entered by mouse click on Windows 10

Changes: https://git.openjdk.org/jdk8u-dev/pull/716/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=716&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8258805
  Stats: 6 lines in 1 file changed: 5 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/716.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/716/head:pull/716

PR: https://git.openjdk.org/jdk8u-dev/pull/716