[jdk21u-dev] RFR: 8369032: Add test to ensure serialized ICC_Profile stores only necessary optional data [v2]

[Sergey Bylokhov]

> Hi all,
> 
> This pull request contains a backport of commit [ed153ee2](https://github.com/openjdk/jdk/commit/ed153ee2c4614c814da92c23c4741eed68ce1a0c) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Sergey Bylokhov on 21 Oct 2025 and was reviewed by Harshitha Onkar.
> 
> Thanks!

Sergey Bylokhov has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'openjdk:master' into backport-mrserb-ed153ee2-master
 - Backport ed153ee2c4614c814da92c23c4741eed68ce1a0c

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/2411/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/2411/files/030b4b9c..a2b38d0d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2411&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2411&range=00-01

  Stats: 28882 lines in 662 files changed: 10871 ins; 7658 del; 10353 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2411.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2411/head:pull/2411

PR: https://git.openjdk.org/jdk21u-dev/pull/2411