[code-reflection] Integrated: Removed unneeded MethodHandles.lookup()

[Gary Frost]

Exception  running script indicated mayble issues usig local MethodHandles.lookup() calls. 

Purged the code to reuse the accelerator lookup (from the app). 

Lots of code changes. ;)

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Commit messages:
 - Removed unneeded MethodHandles.lookup()

Changes: https://git.openjdk.org/babylon/pull/352/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=352&range=00
  Stats: 308 lines in 60 files changed: 91 ins; 1 del; 216 mod
  Patch: https://git.openjdk.org/babylon/pull/352.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/352/head:pull/352

PR: https://git.openjdk.org/babylon/pull/352