RFR: 8345348: CSS media feature queries [v8]

[Michael Strauß]

> Implementation of [CSS media queries](https://gist.github.com/mstr2/cbb93bff03e073ec0c32aac317b22de7).

Michael Strauß has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 15 commits:

 - Merge branch 'master' into feature/media-queries
 - small refactor
 - make media-query types internal
 - add documentation
 - add missing javadoc tag
 - revert import
 - move scene preferences to Scene.Preferences interface
 - revert
 - remove SceneMediaQueryContext
 - adjust copyright year
 - ... and 5 more: https://git.openjdk.org/jfx/compare/f31d00d8...0a5626b8

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Changes: https://git.openjdk.org/jfx/pull/1655/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1655&range=07
  Stats: 4843 lines in 39 files changed: 3732 ins; 1026 del; 85 mod
  Patch: https://git.openjdk.org/jfx/pull/1655.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1655/head:pull/1655

PR: https://git.openjdk.org/jfx/pull/1655