[lworld] RFR: 8372261: [lworld] Augment vmTestbase array tests with large flat arrays [v4]

[Leonid Mesnik]

> Please review following fix that add  Byte[], Boolean[] and Integer[] arrays to garbageProducers and use them in random(arrays) producers and added few configurations to ArrayJuggle3 using these new producers.
> 
> Also change some memory objects from primitive arrays to Integer/Byte arrays if preview is enabled to stress flattened arrays.

Leonid Mesnik has updated the pull request incrementally with one additional commit since the last revision:

  Apply suggestion from @Arraying
  
  Co-authored-by: Paul Hübner <paul.huebner at googlemail.com>

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Changes:
  - all: https://git.openjdk.org/valhalla/pull/2099/files
  - new: https://git.openjdk.org/valhalla/pull/2099/files/7a3f8693..06a8c8dc

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=2099&range=03
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=2099&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/valhalla/pull/2099.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2099/head:pull/2099

PR: https://git.openjdk.org/valhalla/pull/2099