RFR: 8344059: Remove doPrivileged calls from windows platform sources in the java.desktop module [v7]

[Prasanta Sadhukhan]

> Since JEP 486 : Permanently Disable the Security Manager
> [https://bugs.openjdk.org/browse/JDK-8338625] is now integrated, calls to java.security.AccessController.doPrivileged are obsolete and can be removed. 
> 
> This PR takes care of the windows-platform files in the java.desktop module to have them removed.

Prasanta Sadhukhan has updated the pull request incrementally with two additional commits since the last revision:

 - Fix to getBoolean
 - FIx Boolean.getBoolean

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/22083/files
  - new: https://git.openjdk.org/jdk/pull/22083/files/cd799bcb..db0c9af8

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22083&range=06
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22083&range=05-06

  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/22083.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22083/head:pull/22083

PR: https://git.openjdk.org/jdk/pull/22083