Integrated: 8305417: disable gtest/NMTGtests.java sub-tests failing due to JDK-8305414

[Daniel D. Daugherty]

A trivial fix to disable gtest/NMTGtests.java sub-tests failing due to JDK-8305414.

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Commit messages:
 - 8305417: disable gtest/NMTGtests.java sub-tests failing due to JDK-8305414

Changes: https://git.openjdk.org/jdk/pull/13281/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13281&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8305417
  Stats: 6 lines in 1 file changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/13281.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13281/head:pull/13281

PR: https://git.openjdk.org/jdk/pull/13281