RFR: Merge jdk19 [v2]

[Jesper Wilhelmsson]

> Forwardport JDK 19 -> JDK 20

Jesper Wilhelmsson has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 166 commits:

 - Merge remote-tracking branch 'jdk19/master' into Merge_jdk19
 - 8284640: CollectorImpl class could be a record class
   
   Reviewed-by: phh, rriggs
 - 8288961: jpackage: test MSI installation fix
   
   Reviewed-by: asemenyuk, almatvee
 - 8288013: jpackage: test utility Windows registry enhancement
   
   Reviewed-by: asemenyuk, almatvee
 - 8289071: Compute allocation sizes of stubs and nmethods outside of lock protection
   
   Reviewed-by: thartmann, phh
 - 8271252: os::reserve_memory should not use mtOther as default NMT flag
   
   Reviewed-by: zgu
 - 8287818: Shenandoah: adapt nmethod arming from Loom
   
   Reviewed-by: shade
 - 8289138: G1: Remove redundant is-marking-active checks in C1 barrier
   
   Reviewed-by: tschatzl, ehelin
 - 8288396: Always create reproducible builds
   
   Reviewed-by: amenkov, ehelin
 - 8289258: ProblemList some failing custom loader tests with ZGC
   
   Reviewed-by: dholmes
 - ... and 156 more: https://git.openjdk.org/jdk/compare/15048048...d57b485f

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Changes: https://git.openjdk.org/jdk/pull/9315/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9315&range=01
  Stats: 68839 lines in 1210 files changed: 43242 ins; 13434 del; 12163 mod
  Patch: https://git.openjdk.org/jdk/pull/9315.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9315/head:pull/9315

PR: https://git.openjdk.org/jdk/pull/9315