[code-reflection] RFR: Explicit Arena passing to Tensor construction and Session execution [v3]

[Adam Sotona]

> Holding `Arena` instances in `OnnxRuntime` and `Session` still cause memory leaks.
> This patch allows to pass explicit arena for `Tensor` construction, `Session` construction and  each `Session` run.

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

  more explicit arena use

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

Changes:
  - all: https://git.openjdk.org/babylon/pull/337/files
  - new: https://git.openjdk.org/babylon/pull/337/files/3d33898d..9bd3711d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=337&range=02
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=337&range=01-02

  Stats: 5 lines in 2 files changed: 1 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/babylon/pull/337.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/337/head:pull/337

PR: https://git.openjdk.org/babylon/pull/337