[lworld] Integrated: 8261751: [lworld] Fix lingering references to inline/value types

[Srikanth Adayapalam]

Adopt new nomenclature from Primitive Objects JEP

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Commit messages:
 - 8261751: [lworld] Fix lingering references to inline/value types

Changes: https://git.openjdk.java.net/valhalla/pull/336/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=336&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8261751
  Stats: 158 lines in 36 files changed: 0 ins; 0 del; 158 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/336.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/336/head:pull/336

PR: https://git.openjdk.java.net/valhalla/pull/336