[code-reflection] RFR: Add HATPtrOps to array view

[Ruby Chen]

Add four new HATPtrOps to support array views.

Also update array view tests and add a new test to check for correct memory copies for a write only buffer.

Minor change in BufferTagger to change access types into bytes.

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Commit messages:
 - Add HATPtrOps to array view

Changes: https://git.openjdk.org/babylon/pull/765/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=765&range=00
  Stats: 700 lines in 12 files changed: 474 ins; 159 del; 67 mod
  Patch: https://git.openjdk.org/babylon/pull/765.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/765/head:pull/765

PR: https://git.openjdk.org/babylon/pull/765