[lworld] RFR: 8310651: [lworld] ValueConstantDesc fails after merge with jdk-21+25

[Mandy Chung]

The test fails because of an incorrect merge with [JDK-8304928](https://bugs.openjdk.org/browse/JDK-8304928).   JDK-8304928 special cases the array type and the merge moves the logic to determine Q-descriptor just for the array type case but misses the normal class case.

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Commit messages:
 - 8310651: [lworld] ValueConstantDesc fails after merge with jdk-21+25

Changes: https://git.openjdk.org/valhalla/pull/885/files
 Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=885&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310651
  Stats: 20 lines in 2 files changed: 11 ins; 7 del; 2 mod
  Patch: https://git.openjdk.org/valhalla/pull/885.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/885/head:pull/885

PR: https://git.openjdk.org/valhalla/pull/885