[lworld] RFR: Merge jdk

[David Simms]

* jdk-21+16
* jdk-21+17
* jdk-21+18
* jdk-21+19
* jdk-21+20

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

Commit messages:
 - Merge tag 'jdk-21+20' into lworld_merge_jdk_incr_from_21_15
 - 8305771: SA ClassWriter.java fails to skip overpass methods
 - 8306951: [BACKOUT] JDK-8305252 make_method_handle_intrinsic may call java code under a lock
 - 8306409: Open source AWT KeyBoardFocusManger, LightWeightComponent related tests
 - 8306705: com/sun/jdi/PopAndInvokeTest.java fails with NativeMethodException
 - 8302182: Update Public Suffix List to 88467c9
 - 8305853: java/text/Format/DateFormat/DateFormatRegression.java fails with "Uncaught exception thrown in test method Test4089106"
 - 8306374: (bf) Improve performance of DirectCharBuffer::append(CharSequence[,int,int])
 - 8302328: [s390x] Simplify asm_assert definition
 - 8306033: Resolve multiple definition of 'throwIOException' and friends when statically linking with JDK native libraries
 - ... and 452 more: https://git.openjdk.org/valhalla/compare/3b84e3c7...1cc6ae11

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=853&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=853&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/853/files
  Stats: 313515 lines in 3095 files changed: 263465 ins; 32412 del; 17638 mod
  Patch: https://git.openjdk.org/valhalla/pull/853.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/853/head:pull/853

PR: https://git.openjdk.org/valhalla/pull/853