[lworld] RFR: 8286864: [lworld] runtime/valhalla/inlinetypes/testSupers/TestSuperClasses.java refers to IdentityObject interface [v2]

[David Simms]

> Removed IdentityObject and realigned access flags

David Simms has updated the pull request incrementally with one additional commit since the last revision:

  Add Value Object test cases

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

Changes:
  - all: https://git.openjdk.java.net/valhalla/pull/689/files
  - new: https://git.openjdk.java.net/valhalla/pull/689/files/dc5d54f1..544fb5a0

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=valhalla&pr=689&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=valhalla&pr=689&range=00-01

  Stats: 1377 lines in 2 files changed: 1326 ins; 0 del; 51 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/689.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/689/head:pull/689

PR: https://git.openjdk.java.net/valhalla/pull/689