[crac] RFR: 8347290: [CRaC] JVM log prevents checkpoint

[Timofei Pushkin]

Makes it possible to checkpoint a JVM that performs JVM-level logging

-------------

Commit messages:
 - Fix whitespace errors
 - Closing CompileLog leads to SIGSEGV
 - JVM log filename is not recomputed on restore
 - JVM log prevents checkpoint

Changes: https://git.openjdk.org/crac/pull/176/files
  Webrev: https://webrevs.openjdk.org/?repo=crac&pr=176&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347290
  Stats: 561 lines in 16 files changed: 555 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/crac/pull/176.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/176/head:pull/176

PR: https://git.openjdk.org/crac/pull/176