[jdk17u] RFR: 8273376: Zero: Disable vtable/itableStub gtests

[Aleksey Shipilev]

Clean backport to fix Zero gtests.

Additional testing:
 - [x] Linux x86_64, all gtests now pass with Zero

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Commit messages:
 - Backport a522d6b53cd841b4bfe87eac5778c9e5cdf5e90f

Changes: https://git.openjdk.java.net/jdk17u/pull/146/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=146&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273376
  Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/146.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/146/head:pull/146

PR: https://git.openjdk.java.net/jdk17u/pull/146