[code-reflection] RFR: Onnx subgraphs, lambda execution and BB reduction [v3]

[Adam Sotona]

> Onnx subgraphs, lambda execution and BB reduction

Adam Sotona has updated the pull request incrementally with one additional commit since the last revision:

  removal of Tensor::asByteBuffer

-------------

Changes:
  - all: https://git.openjdk.org/babylon/pull/326/files
  - new: https://git.openjdk.org/babylon/pull/326/files/84715103..b55fc2b1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=326&range=02
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=326&range=01-02

  Stats: 54 lines in 3 files changed: 27 ins; 20 del; 7 mod
  Patch: https://git.openjdk.org/babylon/pull/326.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/326/head:pull/326

PR: https://git.openjdk.org/babylon/pull/326