[code-reflection] RFR: Replace opField with opMethod for lambdas. [v3]

[Mourad Abbay]

> We replace field holding the textual representation of an identified lambda with method that returns the representation of that lambda.

Mourad Abbay has updated the pull request incrementally with one additional commit since the last revision:

  Remove unused overload of QuotedHelper#makeQuoted

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Changes:
  - all: https://git.openjdk.org/babylon/pull/301/files
  - new: https://git.openjdk.org/babylon/pull/301/files/5c5f8e48..0378f828

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=301&range=02
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=301&range=01-02

  Stats: 5 lines in 2 files changed: 0 ins; 4 del; 1 mod
  Patch: https://git.openjdk.org/babylon/pull/301.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/301/head:pull/301

PR: https://git.openjdk.org/babylon/pull/301