[lilliput-jdk17u:lilliput] RFR: 8310243: [Lilliput/JDK17] Revert UseCompressedClassPointers back to false

[Aleksey Shipilev]

Splitting this off #33 as atomic commit. This change is in the repo since initial import.

Additional testing:
 - [ ] Linux x86_64 tier1, `-XX:+UnlockExperimentalVMOptions -XX:+UseCompactObjectHeaders`
 - [ ] Linux x86_64 tier1, `-XX:+UnlockExperimentalVMOptions -XX:-UseCompactObjectHeaders`

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Commit messages:
 - Fix

Changes: https://git.openjdk.org/lilliput-jdk17u/pull/34/files
 Webrev: https://webrevs.openjdk.org/?repo=lilliput-jdk17u&pr=34&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310243
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/lilliput-jdk17u/pull/34.diff
  Fetch: git fetch https://git.openjdk.org/lilliput-jdk17u.git pull/34/head:pull/34

PR: https://git.openjdk.org/lilliput-jdk17u/pull/34