RFR: 8343510: JFR: Remove AccessControlContext from FlightRecorder::addListener specification

[Erik Gahlin]

Could I have a review that updates the specification for FlightRecorder::addListener to reflect that the Security Manager is now disabled. 

Testing: jdk/jdk/jfr

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.org/jdk/pull/23006/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23006&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343510
  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23006.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23006/head:pull/23006

PR: https://git.openjdk.org/jdk/pull/23006