RFR: 8253207: enable problemlists jcheck's check

[Igor Ignatyev]

problemlists[[1]] check verifies that there are no problem-list entries w/ the bug-id used in the commit message.

[1]: https://github.com/openjdk/skara/pull/518

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Commit messages:
 - 8253207: enable problemlists jcheck's check

Changes: https://git.openjdk.java.net/jdk/pull/196/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=196&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253207
  Stats: 4 lines in 1 file changed: 3 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/196.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/196/head:pull/196

PR: https://git.openjdk.java.net/jdk/pull/196