[code-reflection] Integrated: More lookup cleanup

[Gary Frost]

After previous PR I realised that we were passing lookups, which could be extracted from context. 

This PR cleans that up. 

Also I made the parametr order consistant across opWrappers.

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Commit messages:
 - More lookup cleanup

Changes: https://git.openjdk.org/babylon/pull/354/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=354&range=00
  Stats: 262 lines in 56 files changed: 15 ins; 15 del; 232 mod
  Patch: https://git.openjdk.org/babylon/pull/354.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/354/head:pull/354

PR: https://git.openjdk.org/babylon/pull/354