[code-reflection] RFR: ONNX FFM Runtime initial work [v7]

[Adam Sotona]

> This is initial work on ONNX FFM runtime with very raw connection with OnnxInterpreter and Tensor.
> 
> It is a rebase of https://github.com/PaulSandoz/babylon/pull/1

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

  OnnxProtoBuilder and OnnxRuntime work in progress

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

Changes:
  - all: https://git.openjdk.org/babylon/pull/311/files
  - new: https://git.openjdk.org/babylon/pull/311/files/7f44d909..d67f5e88

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=311&range=06
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=311&range=05-06

  Stats: 91 lines in 6 files changed: 47 ins; 17 del; 27 mod
  Patch: https://git.openjdk.org/babylon/pull/311.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/311/head:pull/311

PR: https://git.openjdk.org/babylon/pull/311