[code-reflection] RFR: OnnxRuntime and OnnxProtoBuilder continuation [v7]

[Adam Sotona]

> OnnxRuntime and OnnxProtoBuilder continuation

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

  CNNTest loading weights and passign through with empty image

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Changes:
  - all: https://git.openjdk.org/babylon/pull/316/files
  - new: https://git.openjdk.org/babylon/pull/316/files/35dab48d..a2345f3f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=316&range=06
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=316&range=05-06

  Stats: 28 lines in 2 files changed: 16 ins; 2 del; 10 mod
  Patch: https://git.openjdk.org/babylon/pull/316.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/316/head:pull/316

PR: https://git.openjdk.org/babylon/pull/316