[code-reflection] RFR: BytecodeLift with NormalizerBlockTransformer + fix + ExceptionTableCompactor

[Adam Sotona]

Minor fix of `NormalizerBlockTransformer` to skip exception handlers.
`NormalizerBlockTransformer` plugged into `BytecodeLift`.
Implementation of `ExceptionTableCompactor` plugged into `BytecodeGenerator`.

Please review.

Thanks,
Adam

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Commit messages:
 - implementation of ExceptionTableCompactor for BytecodeGenerator
 - BytecodeLift uses NormalizeBlocksTransformer
 - NormalizerBlockTransformer fix to exclude exception handlers

Changes: https://git.openjdk.org/babylon/pull/242/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=242&range=00
  Stats: 70 lines in 3 files changed: 55 ins; 6 del; 9 mod
  Patch: https://git.openjdk.org/babylon/pull/242.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/242/head:pull/242

PR: https://git.openjdk.org/babylon/pull/242