RFR: JDK-8306819: Consider disabling the compiler's default active annotation processing [v6]

[Joe Darcy]

> Change annotation processing to be opt-in rather than opt-out.

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Update comments in test.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14432/files
  - new: https://git.openjdk.org/jdk/pull/14432/files/b90d18c4..667411dd

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14432&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14432&range=04-05

  Stats: 8 lines in 1 file changed: 6 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/14432.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14432/head:pull/14432

PR: https://git.openjdk.org/jdk/pull/14432