RFR: 8342911: Remove calls to doPrivileged in controls

[Andy Goryachev]

Removes doPrivileged in the following module:

- javafx.controls

See JDK-8342441 for details.

As a helpful hint for reviewers, I recommend reviewing this using the "Hide whitespace" option.

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Commit messages:
 - Merge remote-tracking branch 'origin/master' into 8342911.do.priviliged.controls
 - 8342911: Remove calls to doPrivileged in controls

Changes: https://git.openjdk.org/jfx/pull/1615/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1615&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8342911
  Stats: 69 lines in 6 files changed: 0 ins; 32 del; 37 mod
  Patch: https://git.openjdk.org/jfx/pull/1615.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1615/head:pull/1615

PR: https://git.openjdk.org/jfx/pull/1615