RFR: 6639: Adding spotless for the rest of the java code

[Marcus Hirt]

Note that you need to run with -Puitests to include the uitests for the spotless analysis.

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Commits:
 - ca9cbb8b: Spotless for the uitests
 - f00eae06: Enabling spotless for everything but uitests (coming next)
 - 3ce3862f: 6639: Spotless for all Java projects - initial cleanup

Changes: https://git.openjdk.java.net/jmc/pull/8/files
 Webrev: https://webrevs.openjdk.java.net/jmc/8/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JMC-6639
  Stats: 1406 lines in 289 files changed: 757 ins; 110 del; 539 mod
  Patch: https://git.openjdk.java.net/jmc/pull/8.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/8/head:pull/8

PR: https://git.openjdk.java.net/jmc/pull/8