RFR: 7104: The PDE wizard does not work with Rules 2.0

[Henrik Dafgård]

Updates the simple rule template to conform to the breaking API changes in JMC 8.0.0.

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Commit messages:
 - Update simple rule template to Rules 2.0

Changes: https://git.openjdk.java.net/jmc/pull/202/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=202&range=00
  Issue: https://bugs.openjdk.java.net/browse/JMC-7104
  Stats: 50 lines in 1 file changed: 41 ins; 0 del; 9 mod
  Patch: https://git.openjdk.java.net/jmc/pull/202.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/202/head:pull/202

PR: https://git.openjdk.java.net/jmc/pull/202