[lworld] RFR: Merge jdk

[David Simms]

Merge jdk-22+6

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Commit messages:
 - Logical merge issue, compilation
 - Merge tag 'jdk-22+6' into lworld_merge_jdk_22_6
 - 8311805: Clean up ScrollPane: drop redundant initialiser, mark scroller final
 - 8310066: Improve test coverage for JVMTI GetThreadState on carrier and mounted vthread
 - 6960866: [Fmt-Ch] ChoiceFormat claims impossible and unimplemented functionality
 - 8311645: Memory leak in jspawnhelper spawnChild after JDK-8307990
 - 8311606: Change read_icc_profile() to static function in java.desktop/share/native/libjavajpeg/imageioJPEG.c
 - 8311178: JMH tests don't scale well when sharing output buffers
 - 8310047: Add UTF-32 based Charsets into StandardCharsets
 - 8303279: C2: crash in SubTypeCheckNode::sub() at IGVN split if
 - ... and 33 more: https://git.openjdk.org/valhalla/compare/064cd392...10695b7f

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=906&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=906&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/906/files
  Stats: 45180 lines in 167 files changed: 2997 ins; 41549 del; 634 mod
  Patch: https://git.openjdk.org/valhalla/pull/906.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/906/head:pull/906

PR: https://git.openjdk.org/valhalla/pull/906