[crac] RFR: Merge jdk:jdk-24+20

[Dmitry Cherepanov]

Merge jdk:jdk-24+20

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Commit messages:
 - Merge tag 'jdk-24+20' into crac
 - 8338851: Hoist os::Posix::realpath() to os::realpath() and implement on Windows
 - 8342338: Remove redundant IIOPURLTest.java
 - 8341715: PPC64: ObjectMonitor::_owner should be reset unconditionally in nmethod unlocking
 - 8342042: PPC64: compiler_fast_unlock_object flags failure instead of success
 - 8340279: Open source several AWT Dialog tests - Batch 2
 - 8341072: Open source several AWT Canvas and Rectangle related tests
 - 8341328: Refactor initial Assertion Predicate creation into separate classes
 - 8340313: Crash due to invalid oop in nmethod after C1 patching
 - 8338751: ConfigureNotify behavior has changed in KWin 6.2
 - ... and 87 more: https://git.openjdk.org/crac/compare/d1bba965...90c70cbe

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - crac: https://webrevs.openjdk.org/?repo=crac&pr=160&range=00.0
 - jdk:jdk-24+20: https://webrevs.openjdk.org/?repo=crac&pr=160&range=00.1

Changes: https://git.openjdk.org/crac/pull/160/files
  Stats: 24473 lines in 544 files changed: 20214 ins; 1681 del; 2578 mod
  Patch: https://git.openjdk.org/crac/pull/160.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/160/head:pull/160

PR: https://git.openjdk.org/crac/pull/160