[lworld] RFR: 8244584: Fix hotspot / runtime test compile errors after pivoting towards "lw3"

[David Simms]

Applied suggested fixes due to reference projection changes, cleaned out tabs from TestJNIArray

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Commit messages:
 - 8244584: Fix hotspot / runtime test compile errors after pivoting towards "lw3"

Changes: https://git.openjdk.java.net/valhalla/pull/38/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/38/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8244584
  Stats: 747 lines in 2 files changed: 7 ins; 6 del; 734 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/38.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/38/head:pull/38

PR: https://git.openjdk.java.net/valhalla/pull/38