[lworld] Integrated: 8267984: [lworld] The fix for JDK-8267918 incorrectly precludes synchronization of variables of TypeVariable type

[Srikanth Adayapalam]

Simplify check for identity type requirement so type variables are precluded.

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Commit messages:
 - 8267984: The fix for JDK-8267918 incorrectly precludes synchronization on variables of Type Variable type

Changes: https://git.openjdk.java.net/valhalla/pull/433/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=433&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267984
  Stats: 43 lines in 2 files changed: 39 ins; 3 del; 1 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/433.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/433/head:pull/433

PR: https://git.openjdk.java.net/valhalla/pull/433