[lworld] RFR: Merge jdk

[David Simms]

Merge jdk-26+9

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

Commit messages:
 - Merge branch 'lworld' into lworld_merge_jdk_26_9
 - Sorted includes
 - Merge tag 'jdk-26+9' into lworld_merge_jdk_26_9
 - 8364282: ZGC: Improve ZPageAllocation JFR event sending
 - 8364111: InstanceMirrorKlass iterators should handle CDS and hidden classes consistently
 - 8361524: [XWayland] possible JavaFX interop hang
 - 8362501: Update test/hotspot/jtreg/applications/jcstress/README
 - 8357682: sun.security.provider.certpath.Builder#getMatchingPolicies always returns null
 - 8361212: Remove AffirmTrust root CAs
 - 8362279: [vectorapi] VECTOR_OP_SUADD needs reduction support
 - ... and 73 more: https://git.openjdk.org/valhalla/compare/d15b325d...0f7fe3ba

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=1608&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=1608&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/1608/files
  Stats: 13191 lines in 372 files changed: 5247 ins; 6804 del; 1140 mod
  Patch: https://git.openjdk.org/valhalla/pull/1608.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1608/head:pull/1608

PR: https://git.openjdk.org/valhalla/pull/1608