git: openjdk/jdk: 8329898: Revert one use of markWord.is_unlocked back to is_neutral

[David Holmes]

Changeset: dfaf11a3
Author:    David Holmes <dholmes at openjdk.org>
Date:      2024-04-09 07:40:45 +0000
URL:       https://git.openjdk.org/jdk/commit/dfaf11a3d80792ae9c484f3c21f93d0b7b0d23f9

8329898: Revert one use of markWord.is_unlocked back to is_neutral

Reviewed-by: stefank

! src/hotspot/share/runtime/basicLock.cpp