RFR: 8344034: Remove security manager dependency in Serialization [v7]

[Roger Riggs]

> After [JDK-8338411](https://bugs.openjdk.org/browse/JDK-8338411), Serialization implementation dependencies on SecurityManager, doPrivildged, and AccessController are removed.
> Some refactoring to cleanup the remaining code is expected.

Roger Riggs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 232 commits:

 - Fix test to longer check for CallerSensistive on ObjectStreamField.getType.
 - Merge branch 'master' into 8344034-sm-removal-serialization
 - Remove unused imports
 - Remove CallerSensitive and suppress warnings
 - Remove overlooked SecurityManager use in ObjectInputFilter and ObjectStreamClass
 - Cleanup of suppress warnings and caller sensitive from review comments.
 - Merge branch 'master' into 8344034-sm-removal-serialization
 - JDK-8344034: Remove security manager dependency in Serialization
 - Merge remote-tracking branch 'jdk-sandbox/jep486' into JDK-8338411
 - Merge branch 'master' into jep486
 - ... and 222 more: https://git.openjdk.org/jdk/compare/752e1629...b8e8d420

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Changes: https://git.openjdk.org/jdk/pull/22041/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22041&range=06
  Stats: 420 lines in 7 files changed: 7 ins; 323 del; 90 mod
  Patch: https://git.openjdk.org/jdk/pull/22041.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22041/head:pull/22041

PR: https://git.openjdk.org/jdk/pull/22041