[crac] RFR: Draft: Win/Mac build for CRaC

[Roman Marchenko]

Draft: Win/Mac build for CRaC

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Commit messages:
 - Removing extra spaces
 - Merge remote-tracking branch 'origin/crac' into win_mac_build
 - Fixing crac::doit()
 - Merge branch 'test-fix' into win_mac_build
 - Making the test conditions stable
 - Fixing test/jdk/jdk/crac/VMOptionsTest.java
 - win/mac build prepared

Changes: https://git.openjdk.org/crac/pull/82/files
 Webrev: https://webrevs.openjdk.org/?repo=crac&pr=82&range=00
  Stats: 1738 lines in 42 files changed: 1068 ins; 643 del; 27 mod
  Patch: https://git.openjdk.org/crac/pull/82.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/82/head:pull/82

PR: https://git.openjdk.org/crac/pull/82