[code-reflection] RFR: Support match all pattern [v4]

[Mourad Abbay]

> Support match all pattern.
> This PR is based on [227](https://github.com/openjdk/babylon/pull/227).

Mourad Abbay has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 11 commits:

 - Merge branch 'code-reflection' into match-all-pattern
   
   # Conflicts:
   #	test/langtools/tools/javac/reflect/PatternsTest.java
 - Apply suggestions
 - Simplify test of match all pattern
 - Update modeling of match all pattern
 - Support match all pattern for non-generic records
 - Update the result type of TypePatternOp
 - Keep Var that correspond to unnamed pattern variable
 - Rename BindingPatternOp to TypePatternOp
 - Pass null as binding-name when type pattern variable unnamed
 - Update effected tests
 - ... and 1 more: https://git.openjdk.org/babylon/compare/a23e320c...2f521c0a

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Changes: https://git.openjdk.org/babylon/pull/230/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=230&range=03
  Stats: 103 lines in 4 files changed: 102 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/babylon/pull/230.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/230/head:pull/230

PR: https://git.openjdk.org/babylon/pull/230