[lworld] Integrated: 8333712: [lworld] update and rename test IllegalMonitorStateExceptionTest.java to check for IdentityException

[Vicente Romero]

adapting test IllegalMonitorStateExceptionTest.java to latest spec changes, now the IdentityException will be thrown instead

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Commit messages:
 - 8333712: [lworld] update and rename test IllegalMonitorStateExceptionTest.java to check for IdentityException

Changes: https://git.openjdk.org/valhalla/pull/1115/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1115&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333712
  Stats: 92 lines in 2 files changed: 46 ins; 46 del; 0 mod
  Patch: https://git.openjdk.org/valhalla/pull/1115.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1115/head:pull/1115

PR: https://git.openjdk.org/valhalla/pull/1115