[code-reflection] Integrated: Temporarily add varname back into binary ops to fix CUDA

[Gary Frost]

Last PR removed varname from VectorBInary ops. This broke CUDA build

Here we teomprarily add these names back.  Until we find a better solution.

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Commit messages:
 - Temporarily add varname back into binary ops to fix CUDA

Changes: https://git.openjdk.org/babylon/pull/871/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=871&range=00
  Stats: 28 lines in 7 files changed: 4 ins; 1 del; 23 mod
  Patch: https://git.openjdk.org/babylon/pull/871.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/871/head:pull/871

PR: https://git.openjdk.org/babylon/pull/871