<i18n dev> RFR: Merge jdk17 [v2]

[Jesper Wilhelmsson]

> Forwardport JDK 17 -> JDK 18

Jesper Wilhelmsson has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 133 commits:

 - Merge
 - 8225559: assertion error at TransTypes.visitApply
   
   Reviewed-by: sadayapalam, jlahoda
 - 8268960: com/sun/net/httpserver/Headers.java: Ensure mutators normalize keys and disallow null for keys and values
   
   Reviewed-by: chegar, dfuchs, michaelm
 - 8267307: Introduce new client property for XAWT: xawt.mwm_decor_title
   
   Reviewed-by: azvegint, serb
 - 8133873: Simplify {Register,Unregister}NMethodOopClosure
   
   Reviewed-by: tschatzl, kbarrett
 - 8268298: jdk/jfr/api/consumer/log/TestVerbosity.java fails: unexpected log message
   
   Reviewed-by: egahlin
 - 8266746: C1: Replace UnsafeGetRaw with UnsafeGet when setting up OSR entry block
   
   Replace UnsafeGetRaw with UnsafeGetObject when setting up OSR entry block, and rename Unsafe{Get,Put}Object to Unsafe{Get,Put}
   
   Reviewed-by: thartmann, dlong, mdoerr
 - 8268870: Remove dead code in metaspaceShared
   
   Reviewed-by: tschatzl
 - Merge
 - 8268637: Update --release 17 symbol information for JDK 17 build 28
   
   Reviewed-by: iris
 - ... and 123 more: https://git.openjdk.java.net/jdk/compare/a4d2a9a7...5515a992

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Changes: https://git.openjdk.java.net/jdk/pull/4661/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4661&range=01
  Stats: 32483 lines in 677 files changed: 18918 ins; 11377 del; 2188 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4661.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4661/head:pull/4661

PR: https://git.openjdk.java.net/jdk/pull/4661