RFR: 8273376: Zero: Disable vtable/itableStub gtests [v2]

[Aleksey Shipilev]

> Simple test bug fix.
> 
> Additional testing:
>  - [x] Linux x86_64 Server still runs the test
>  - [x] Linux x86_64 Zero now skips the test

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/5377/files
  - new: https://git.openjdk.java.net/jdk/pull/5377/files/3e3ddf61..2357a3cf

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5377&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5377&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5377.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5377/head:pull/5377

PR: https://git.openjdk.java.net/jdk/pull/5377