[jdk21u-dev] RFR: 8324646: Avoid Class.forName in SecureRandom constructor [v3]

[Oli Gillespie]

> Hi all,
> 
> This pull request contains a backport of commit [8ef918d6](https://github.com/openjdk/jdk/commit/8ef918d6678437a5b351b172bb4cf144eeaa975f) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Oli Gillespie on 9 Feb 2024 and was reviewed by Aleksey Shipilev and Weijun Wang.
> 
> Thanks!

Oli Gillespie has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge remote-tracking branch 'origin/master' into backport-olivergillespie-8ef918d6
 - Merge branch 'master' into backport-olivergillespie-8ef918d6
 - Backport 8ef918d6678437a5b351b172bb4cf144eeaa975f

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

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/258/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/258/files/39d16242..955b3a01

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=258&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=258&range=01-02

  Stats: 3185 lines in 88 files changed: 2490 ins; 389 del; 306 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/258.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/258/head:pull/258

PR: https://git.openjdk.org/jdk21u-dev/pull/258