RFR: JDK-8298528: Clean up raw type warnings in base in bindings and collections packages [v4]

[John Hendrikx]

> Packages fixed:
> - com.sun.javafx.binding
> - com.sun.javafx.collections
> - javafx.beans
> - javafx.beans.binding
> - javafx.collections
> - javafx.collections.transformation

John Hendrikx has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision:

 - Merge branch 'master' of https://git.openjdk.org/jfx into feature/fix-raw-type-warnings-in-base-2
 - Undo changes in SortHelper
 - Simplify MappingChange by using Function
 - Clean up expression classes repeated null checks
 - Use instanceof with pattern matching in a few spots
 - Use static method for no-op map
 - Fix raw type warnings in base
   
   Packages fixed:
   - com.sun.javafx.binding
   - com.sun.javafx.collections
   - javafx.beans
   - javafx.beans.binding
   - javafx.collections
   - javafx.collections.transformation

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

Changes:
  - all: https://git.openjdk.org/jfx/pull/972/files
  - new: https://git.openjdk.org/jfx/pull/972/files/106fc11b..8814a990

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=972&range=03
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=972&range=02-03

  Stats: 221805 lines in 6977 files changed: 129959 ins; 45549 del; 46297 mod
  Patch: https://git.openjdk.org/jfx/pull/972.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/972/head:pull/972

PR: https://git.openjdk.org/jfx/pull/972