RFR: 8252844: Update check configuration to Skara format [v2]

[Robin Westberg]

> Now that the JDK main-line repository is using the Skara tooling, the jcheck configuration file should be updated to
> the new format.
> Best regards,
> Robin

Robin Westberg has updated the pull request incrementally with one additional commit since the last revision:

  Apply review suggestion
  
  Co-authored-by: Erik Duveblad <erik.helin at oracle.com>

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/39/files
  - new: https://git.openjdk.java.net/jdk/pull/39/files/ee32112a..a23e3d6f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=39&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=39&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/39.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/39/head:pull/39

PR: https://git.openjdk.java.net/jdk/pull/39