RFR: 8307813: [JVMCI] Export markWord::lock_mask_in_place to JVMCI compilers.

[Yudi Zheng]

Export markWord::lock_mask_in_place to JVMCI compilers. This field is essential for accessing cached identity hash code.

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Commit messages:
 - export markWord::lock_mask_in_place to JVMCI compilers.

Changes: https://git.openjdk.org/jdk/pull/13902/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13902&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307813
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/13902.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13902/head:pull/13902

PR: https://git.openjdk.org/jdk/pull/13902