[lworld] RFR: Merge jdk

[David Simms]

Merge tag 'jdk-20+16' into lworld_merge_jdk_20_16
Added tag jdk-20+16 for changeset 711e2520

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Commit messages:
 - Merge tag 'jdk-20+16' into lworld_merge_jdk_20_16
 - 8294039: Remove "Classpath" exception from java/awt tests
 - 8294038: Remove "Classpath" exception from javax/swing tests
 - 8294068: Unconditional and eager load of nio library since JDK-8264744
 - 8288129: Shenandoah: Skynet test crashed with iu + aggressive
 - 8294110: compiler/uncommontrap/Decompile.java fails after JDK-8293798
 - 8294083: RISC-V: Minimal build failed with --disable-precompiled-headers
 - 8293897: Synthetic final modifier is part of the AST for a try-with-resource resource
 - 8293493: Signal Handlers printout should show signal block state
 - 8293659: Improve UnsatisfiedLinkError error message to include dlopen error details
 - ... and 82 more: https://git.openjdk.org/valhalla/compare/60855881...e227054e

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.org/?repo=valhalla&pr=766&range=00.0
 - jdk: https://webrevs.openjdk.org/?repo=valhalla&pr=766&range=00.1

Changes: https://git.openjdk.org/valhalla/pull/766/files
  Stats: 14664 lines in 747 files changed: 6271 ins; 4308 del; 4085 mod
  Patch: https://git.openjdk.org/valhalla/pull/766.diff
  Fetch: git fetch https://git.openjdk.org/valhalla pull/766/head:pull/766

PR: https://git.openjdk.org/valhalla/pull/766